常用的js代码
下载文件
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parent.location.href
弹出全屏窗口
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function openWin(formUrl) { var hWnd hWnd = window.open(formUrl, '', 'height=' + new String(screen.availHeight - 28) + ',top=0,left=0,width=' + new String(screen.availWidth - 10) + ',location=no,menubar=no,resizable=yes,toolbar=no'); return hWnd; }
去掉字符串的头空格(左空格)
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function LTrim(str) { var i; for (i = 0; i < str.length; i++) { if (str.charAt(i) != " ") break; } str = str.substring(i, str.length); return str; }
去掉字符串的尾空格(右空格)
![](https://images.cnblogs.com/OutliningIndicators/ContractedBlock.gif)
function RTrim(str) { var i; for (i = str.length - 1; i >= 0; i--) { if (str.charAt(i) != " ") break; } str = str.substring(0, i + 1); return str; }
去掉字符串的头尾空格(左右空格)
![](https://images.cnblogs.com/OutliningIndicators/ContractedBlock.gif)