字符串方法中会修改原字符串_字符串padEnd（）方法

字符串方法中会修改原字符串

The purpose of string padding is to add characters to a string, so it reaches a specific length.

字符串填充的目的是在字符串中添加字符 ，使其达到特定长度 。

padEnd(), introduced in ES2017, adds such characters at the end of the string.

padEnd()引入的padEnd()会在字符串的末尾添加此类字符。

padEnd(targetLength [, padString])

Sample usage:

用法示例：

Also see padStart().

另请参见padStart() 。

翻译自: https://flaviocopes.com/javascript-string-padend/

字符串方法中会修改原字符串