How JavaScript uses the repeat function

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Repeat: generate a duplicate string consisting of n str, which can be modified to fill in an array, etc.

Function repeat (str, n) {let res ='; while (n) {if (n% 2 = 1) {res + = str;} if (n > 1) {str + = str;} n > > = 1;} return res} / / repeat ('123 repeat Magazine 3) = > 123123123 is all the contents of the article "how to use repeat functions by JavaScript". Thank you for reading! I believe we all have a certain understanding, hope to share the content to help you, if you want to learn more knowledge, welcome to follow the industry information channel!