摘要：获取问号以后的 参数 function GetQueryString(name) { var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)", "i"); var r = window.location.search.substr(1).match(reg); if (r != null) return unescape(r[2]); return 0;} 比如123.com/index.html?a=1&b=2.GetQueryString(&quo 阅读全文

摘要：用JS jquery取float型小数点后两位1. 最笨的办法……. [我就怎么干的.........]function get(){ var s = 22.127456 + “”; var str = s.substring(0,s.indexOf(“.”) + 3); alert(str);} 2. 正则表达式效果不错<scrīpt type=”text/javascrīpt”> onload = function(){ var a = “23.456322″; var aNew; var re = /([0-9]+\.[0-9]{2})[0-9]*/; aNew = a.re 阅读全文