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JavaScript reverse() method to reverse the order of elements in an array

黄舟
Release： 2017-11-03 11:22:35
Original
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Definition and Usage

reverse() method is used to reverse the order of elements in an array.

Syntax

arrayObject.reverse()
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Tips and Comments

Comments: This method will change the original array without creating a new array.

Example

In this example, we will create an array and then reverse the order of its elements: 

<script type="text/javascript">

var arr = new Array(3)
arr[0] = "George"
arr[1] = "John"
arr[2] = "Thomas"

document.write(arr + "<br />")
document.write(arr.reverse())

</script>
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Output: 

George,John,Thomas
Thomas,John,George
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JavaScript arrayreverse() method reverses array elements. The first array element becomes the last element, and the last element becomes the first element.

The following are the details of the parameters: 

NA
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Return value:

Returns the reversed single value of the array.
Example:

<html>
<head>
<title>JavaScript Array reverse Method</title>
</head>
<body>
<script type="text/javascript">
var arr = [0, 1, 2, 3].reverse();
document.write("Reversed array is : " + arr ); 
</script>
</body>
</html>
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This will produce the following results:

Reversed array is : 3,2,1,0
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