Home>Article>Web Front-end> What does reverse in javascript mean?
Reversal in JavaScript refers to reversing the order of elements in an array or reversing the order of elements in a string. The implementation method is: 1. Reverse the order of elements in the array through the "array = array.reverse();" method; 2. Use the "function reverseString(string) {...}" method to reverse the string.
The operating environment of this tutorial: Windows 10 system, javascript version 1.8.5, Dell G3 computer.
What does the reverse of javascript mean?
The reversal of arrays and the reversal of strings in js (JavaScript)
1. The reversal of arrays
The reversal of arrays can be arranged using Rules:
reverse() reverses the order of elements in the array
array = array.reverse();
2. Reverse the string
JS basic operations of reversing strings can use array reversal, characters Conversion between strings and arrays to achieve
var str = '123456'; //将上述字符串进行反转 function reverseString(string) { // 1、string-->array(字符串转数组) var array = string.split(''); // 2、反转array array = array.reverse(); // 3、array--> string(反转后的数组转回字符串) var str = arr.join(''); return str; // 还可以直接写成 return string.split('').reverse().join(''); } //最后输出 console.log(reverseString(str))
Recommended learning: "JavaScript Video Tutorial"
The above is the detailed content of What does reverse in javascript mean?. For more information, please follow other related articles on the PHP Chinese website!