How to reverse a string in JavaScript

How to reverse a string in JavaScript: First use the split() function to split the string. One character in the string corresponds to an element of the array; then use the reverse() function to reverse the order of the elements in the array; Finally, use the join() function to convert the array into a string.

The operating environment of this tutorial: Windows 7 system, JavaScript version 1.8.5, Dell G3 computer.

JavaScript reverses a string

Idea: convert string to array, reverse array, and convert array to string.

split(""): Split the array based on the empty string

reverse(): Reverse the position of the elements in the array

join(""): Convert the array back to characters String without separator >

The implementation effect is as shown in the figure:

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