JS全选代码,兼容IE，FF，Chrome

//全选代码。兼容IE，FF，Chrome function checkAll(chk) { var ck = document.getElementsByTagName("input"); //找到页面上所有input节点 for (var i = 0; i < ck.length; i++) { if (ck[i].type == "checkbox" && ck[i].disabled != true) {ck[i].checked = chk;} } }