js实现Trim()，去空格
<div id="cnblogs_post_body"><div class="cnblogs_code"><SCRIPT LANGUAGE="JavaScript"> <!-- String.prototype.Trim = function() { return this.replace(/(^\s*)|(\s*$)/g, ""); } String.prototype.LTrim = function() { return this.replace(/(^\s*)/g, ""); } String.prototype.RTrim = function() { return this.replace(/(\s*$)/g, ""); } //--> </SCRIPT>
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