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takhello / HTML-CSS-JS Public

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HTML-CSS-JS

/

字符串原型去空格.html

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25 lines (19 loc) · 334 Bytes

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HTML-CSS-JS

/

字符串原型去空格.html

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25 lines (19 loc) · 334 Bytes

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<!doctype html>

<html lang="en">

<head>

<meta charset="UTF-8">

<title>Document</title>

</head>

<body>

</body>

<script>

var str = " hello world ";

String.prototype.trim = function()

{

var myreg =/(^\s+|\s+$)/g;

return this.replace(myreg,"");

}

console.log(str);

console.log(str.trim());

</script>

</html>

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