global scope

last-endcode · last-endcode · commit 96a839f1cd80 · 2020-10-14T11:02:24.000+07:00
diff --git a/30_globalscope.js b/30_globalscope.js
@@ -0,0 +1,36 @@
+// Global scope vs Local variable
+// any variable outside code block{}
+// is said to be in GLOBAL scope
+// can be access anywhere in the program
+
+let name = 'john doe';
+
+function localFunction() {
+  console.log(`${name} in function`);
+  name = 'peter function';
+  //inner
+  function inner() {
+    console.log(`here inside ${name}`);
+    name = 'use inner function';
+  }
+  //   invoking innner
+  inner();
+}
+
+console.log(`${name} in outside function`); //john doe
+localFunction(); //john doe
+
+if (true) {
+  console.log(name + 'in condition if');
+  name = 'hello change again in if';
+}
+
+console.log(name);
+
+/* ooutput
+john doe
+john doe in function
+here inside  peter function
+use inner function in condition if
+hello change again in if
+*/
