Detailed explanation of JavaScript advanced Array (10)

This article describes the detailed explanation of the JavaScript advanced Array (10). For more information, see JS array details Array declaration methodArrayObj = new Array ();

// Create an array.

Var arr1 = new Array ();

ArrayObj = new Array ([size])

// Create an array and specify the length. Note that the length is not the upper limit.

Var a = new Array (5 );

ArrayObj = new Array ([element0], [element1],..., [elementN])

// Create an array and assign values.

Var a = new Array (["B", 2, "a", 4,]);

ArrayObj = [element0, element1,..., elementN]

// Create an array and assign values in short. Note that brackets do not indicate that they can be omitted.

Var a = ["B", 2, "a", 4,];

Note: note the difference between "[]" and "[]".

Var a = new Array (5); // creates an Array of 5 characters.

Var a = new Array ([5]); // creates an Array with a length of 1 and a first value of 5.

Array Operation (Transfer address)

Var t2 = new Array (); t2 [0] = 1; t2 [1] = 2; test2 (t2); // transfer address (Array) function test2 (var2) {for (var I = 0; I
 
  
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