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The Array () constructor creates Array objects. You can declare an array with the "new" keyword to instantiate the array in memory. Here’s how you can declare new Array () constructor: let x = new Array (); - an empty array. let x = new Array (10,20,30); - three elements in the array: 10,20,30.
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The JavaScript Array class is a global object that is used in the construction of arrays; which are high-level, list-like objects.. Description. Arrays are list-like objects whose prototype has methods to perform traversal and mutation operations. Neither the length of a JavaScript array nor the types of its elements are fixed. If the only argument passed to the Array constructor is an integer between 0 and 2 32-1 (inclusive), this returns a new JavaScript array with its length property set to that number (Note: this implies an array of arrayLength empty slots, not slots with actual undefined values).
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getValues(t):("number"==typeof n&&(n=Array.prototype.slice.call(e)),this.setValues(t,n),this)}