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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