# trime
String.prototype.trim2 = function() {
var str = this;
str = str.replace(/^\s\s*/, "");
var ws = /\s/;
var i = str.length;
while (ws.test(str.charAt(--i)));
return str.slice(0, i + 1);
};
const a = " 23234 ";
console.log(a.trim2(), 1);
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