JavaScript Objects
JavaScript objects are written with curly braces. Object properties are written as name: value pairs, separated by commas. Example var person...
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JavaScript Arrays
JavaScript arrays are written with square brackets. Array items are separated by commas. The following code declares (creates) an array...
JavaScript Booleans
Booleans can only have two values: true or false. Example var x = 5; var y = 5; var z = 6; (x == y)       // Returns...
JavaScript Numbers
JavaScript has only one type of numbers. Numbers can be written with, or without decimals: Example var x1 = 34.00;     // Written with...
JavaScript Strings
A string (or a text string) is a series of characters like "John Doe". Strings are written with quotes. You...