<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>js中对String去空格</title>
<style type="text/css">
body {
margin: 0;
padding: 0;
}
</style>
</head>
<body>
<script src="https://cdn.bootcss.com/jquery/3.3.1/jquery.min.js"></script>
<script type="text/javascript">
$(function() {
var myAction = {};
$.extend(myAction, {
test: function() {
var str = ' x u tong bao ';
var temp = str.replace(/\s+/g, ''); //去除所有空格
console.log(':' + temp + '.');
var temp = str.replace(/^\s+|\s+$/g, ''); //去除两头空格
console.log(':' + temp + '.');
var temp = str.replace(/^\s+/, ''); //去除左空格
console.log(':' + temp + '.');
var temp = str.replace(/(\s+$)/g, ''); //去除右空格
console.log(':' + temp + '.');
var temp = $.trim(str); //使用jQuery 去除两头空格
console.log(':' + temp + '.');
}
});
var init = function() {
myAction.test();
}();
})
</script>
</body>
</html>
