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Vovans/left-pad.js

Created March 28, 2016 13:02
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left-pad
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left-pad.js
module.exports = leftpad;
function leftpad (str, len, ch) {
str = String(str);
var i = -1;
if (!ch && ch !== 0) ch = ' ';
len = len - str.length;
while (++i < len) {
str = ch + str;
}
return str;
}
@Saluev
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Saluev commented Mar 28, 2016

BTW, why not return Array(len).join(ch) + str?

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