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<script language="javascript"> //添加行 function addRow(){     var tr=document.createElement("tr");    var button=document.createElement("input");  button.type="button";  button.value="删除";     b

jQuery对select操作 //遍历option和添加、移除optionfunction changeShipMethod(shipping){var len = $("select[@name=ISHIPTYPE] option").lengthif(shipping.value != "CA"){$("select[@name=ISHIPTYPE] option").each(funct...