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tshemsedinovtshemsedinov
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Add examples
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‎.eslintrc.yml

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env:
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es6: true
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node: true
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extends: 'eslint:recommended'
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globals:
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api: false
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rules:
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indent:
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- error
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- 2
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- SwitchCase: 1
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VariableDeclarator:
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var: 2
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let: 2
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const: 3
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MemberExpression: 1
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linebreak-style:
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- error
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- unix
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quotes:
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- error
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- single
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semi:
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- error
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- always
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eqeqeq:
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- error
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- always
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no-loop-func 629A :
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- error
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strict:
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- error
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- global
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block-spacing:
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- error
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- always
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brace-style:
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- error
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- 1tbs
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- allowSingleLine: true
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camelcase:
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- error
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comma-style:
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- error
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- last
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comma-spacing:
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- error
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- before: false
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after: true
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eol-last:
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- error
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func-call-spacing:
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- error
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- never
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key-spacing:
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- error
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- beforeColon: false
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afterColon: true
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mode: minimum
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keyword-spacing:
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- error
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- before: true
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after: true
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overrides:
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function:
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after: false
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max-len:
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- error
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- code: 80
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ignoreUrls: true
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max-nested-callbacks:
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- error
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- max: 7
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new-cap:
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- error
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- newIsCap: true
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capIsNew: true
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properties: true
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new-parens:
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- error
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no-lonely-if:
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- error
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no-trailing-spaces:
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- error
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no-unneeded-ternary:
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- error
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no-whitespace-before-property:
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- error
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object-curly-spacing:
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- error
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- always
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operator-assignment:
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- error
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- always
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operator-linebreak:
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- error
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- after
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semi-spacing:
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- error
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- before: false
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after: true
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space-before-blocks:
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- error
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- always
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space-before-function-paren:
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- error
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- never
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space-in-parens:
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- error
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- never
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space-infix-ops:
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- error
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space-unary-ops:
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- error
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- words: true
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nonwords: false
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overrides:
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typeof: false
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no-unreachable:
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- error
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no-global-assign:
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- error
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no-self-compare:
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- error
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no-unmodified-loop-condition:
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- error
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no-constant-condition:
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- error
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- checkLoops: false
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no-console:
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- off
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no-useless-concat:
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- error
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no-useless-escape:
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- error
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no-shadow-restricted-names:
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- error
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no-use-before-define:
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- error
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- functions: false
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arrow-body-style:
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- error
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- as-needed
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arrow-spacing:
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- error
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no-confusing-arrow:
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- error
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- allowParens: true
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no-useless-computed-key:
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- error
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no-useless-rename:
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- error
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no-var:
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- error
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object-shorthand:
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- error
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- always
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prefer-arrow-callback:
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- error
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prefer-const:
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- error
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prefer-numeric-literals:
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- error
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prefer-rest-params:
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- error
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prefer-spread:
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- error
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rest-spread-spacing:
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- error
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- never
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template-curly-spacing:
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- error
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- never

‎.gitignore

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node_modules
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*.log
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.DS_Store

‎JavaScript/1-object.js

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'use strict';
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const p1 = {
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x: 10,
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y: 20,
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move(x, y) {
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this.x += x;
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this.y += y;
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},
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toString() {
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return `[${this.x}, ${this.y}]`;
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}
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};
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p1.move(-5, 10);
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console.log(p1);
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console.log(p1.toString());
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console.log(p1 + '');

‎JavaScript/2-prototype.js

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'use strict';
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function Point(x, y) {
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this.x = x;
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this.y = y;
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}
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Point.prototype.move = function(x, y) {
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this.x += x;
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this.y += y;
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};
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Point.prototype.toString = function() {
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return `[${this.x}, ${this.y}]`;
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};
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console.log('function prototype:', (function() {}).prototype);
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console.log('lambda prototype:', (() => {}).prototype);
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console.log('Point prototype:', Point.prototype);
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console.log('move prototype:', Point.prototype.move.prototype);
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const p1 = new Point(10, 20);
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p1.move(-5, 10);
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console.log(p1);
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console.log(p1.toString());
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console.log(p1 + '');

‎JavaScript/3-class.js

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'use strict';
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class Point {
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constructor(x, y) {
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this.x = x;
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this.y = y;
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}
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move(x, y) {
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this.x += x;
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this.y += y;
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}
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toString() {< 10000 /span>
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return `[${this.x}, ${this.y}]`;
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}
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}
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console.log(
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'Point prototype:',
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Point.prototype
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);
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console.log(
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'move prototype:',
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Point.prototype.move.prototype
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);
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console.log(
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'constructor prototype:',
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Point.constructor.prototype
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);
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console.log(
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'prototype constructor prototype:',
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Point.prototype.constructor.prototype
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);
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const p1 = new Point(10, 20);
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p1.move(-5, 10);
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console.log(p1);
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console.log(p1.toString());
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console.log(p1 + '');

‎JavaScript/4-closure.js

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'use strict';
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const point = (x, y) => {
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const p = {};
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p.move = (dx, dy) => {
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x += dx;
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y += dy;
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};
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p.toString = () => `[${x}, ${y}]`;
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return p;
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};
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const p1 = point(10, 20);
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p1.move(-5, 10);
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console.log(p1);
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console.log(p1.toString());
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console.log(p1 + '');

‎JavaScript/5-bind.js

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'use strict';
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function move(x, y) {
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this.x += x;
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this.y += y;
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}
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function toString() {
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return `[${this.x}, ${this.y}]`;
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}
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const p1 = { x: 10, y: 20 };
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const p1move = move.bind(p1);
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const p1toString = toString.bind(p1);
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p1move(-5, 10);
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console.log(p1);
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console.log(p1toString());
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console.log(p1 + '');

‎JavaScript/6-logger.js

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'use strict';
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const logger = level => {
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const color = logger.colors[level] || logger.colors.info;
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return s => {
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const date = new Date().toISOString();
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console.log(color + date + '\t' + s);
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};
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};
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logger.colors = {
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warning: '\x1b[1;33m',
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error: '\x1b[0;31m',
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info: '\x1b[1;37m'
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};
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const warning = logger('warning');
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const error = logger('error');
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const debug = logger('debug');
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const slow = logger('slow');
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slow('I am slow logger');
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warning('Hello');
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error('World');
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debug('Bye!');

‎JavaScript/7-prototype.js

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'use strict';
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function Logger(level) {
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this.color = this.colors[level] || this.colors.info;
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}
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Logger.prototype.colors = {
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warning: '\x1b[1;33m',
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error: '\x1b[0;31m',
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info: '\x1b[1;37m'
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};
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Logger.prototype.log = function(s) {
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const date = new Date().toISOString();
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console.log(this.color + date + '\t' + s);
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};
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const warning = new Logger('warning');
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const error = new Logger('error');
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const debug = new Logger('debug');
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const slow = new Logger('slow');
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slow.log('I am slow logger');
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warning.log('Hello');
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error.log('World');
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debug.log('Bye!');

‎JavaScript/8-class.js

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'use strict';
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class Logger {
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constructor(level) {
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this.color = this.colors[level] || this.colors.info;
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}
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log(s) {
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const date = new Date().toISOString();
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console.log(this.color + date + '\t' + s);
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}
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}
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Logger.prototype.colors = {
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warning: '\x1b[1;33m',
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error: '\x1b[0;31m',
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info: '\x1b[1;37m'
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};
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const warning = new Logger('warning');
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const error = new Logger('error');
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const debug = new Logger('debug');
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const slow = new Logger('slow');
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slow.log('I am slow logger');
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warning.log('Hello');
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error.log('World');
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debug.log('Bye!');

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