ProJavaScript/01-Object-Oriented JavaScript/Listing1-7.js at master · Ladex/ProJavaScript

executable file

25 lines (19 loc) · 580 Bytes

var apartment = {

isLocked: false,

lock: function() {

var that = this;

// Set the isLocked property

this.isLocked = true;

function doSomething() {

alert(this === apartment); // false

alert(this === window); // true

alert(that === apartment); // true

// Overwrite the isLocked property of the object,

// accessing it through the stored variable

that.isLocked = false;

}

doSomething();

}

};

apartment.lock();

alert(apartment.isLocked); // false

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