<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>去除字符串左右两边的空格</title>
</head>
<body>
<h2>测试去除字符串左右两边的空格</h2>
<input type="text" id="strs" value=" 需要过滤的空格 " >
<input type="button" id="btn" value=" 过滤 " >
</body>
<script type="text/javascript">
window.onload = function() {
var _btn = document.getElementById('btn');
_strs = document.getElementById('strs');
_btn.onclick = function() {
_strs.value = _strs.value.replace(/^(s|u00A0)+|(s|u00A0)+$/g, ""); //ASCII 160 空格， 全角空格 16进制ASCII编码
};
};
</script>
</html>