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How javascript reverses arrays

Shulou Source: shulou.com Published: 2022-06-02 06:24:18 10月04日 Update

This article introduces the knowledge of "how to reverse the array of javascript". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

Reversal method: 1, using for loop and push (), syntax "var nar= []; for (var itransiarr.inherthmur1 [I > = 0 var [I]) {nar.push (arr [I])}"; 2, using reverse (), syntax "arr.reverse ()".

The operating environment of this tutorial: windows7 system, javascript1.8.5 version, Dell G3 computer.

The method of inverting arrays in javascript

1. Using for loop and push () method.

Var arr = [1 newArr.push (arr [I]),} console.log (newArr) []; var newArr= []; for (var ionomarr.futhMurray 1 [[I] > = 0 [[I]])

2. Using reverse () method

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

Syntax:

Array.reverse ()

Example:

Var arr = [1, 2, 3, 4, 5, 6, 7, 8]; var newArr=arr.reverse (); console.log (newArr)

That's all for "how to reverse the array of javascript". Thank you for reading. If you want to know more about the industry, you can follow the website, the editor will output more high-quality practical articles for you!

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