复选框的 全选 反选 取消
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function DoCheck(name, flag) { //获取所有HTML标记name为该参数的元素,返回是一个数组 var cbID = document.getElementsByName(name); for (var i = 0; i < cbID.length; i++) { if (cbID[i].type == "checkbox")//判断是否为复选框 { if (flag) { cbID[i].checked = flag; } else { //反选 cbID[i].checked = !cbID[i].checked; } } } } function test() { alert('我被调用了') } function unChecked(name) { var unID = document.getElementsByName(name); for (var i = 0; i < unID.length; i++) { if (unID[i].type == "checkbox") { unID[i].checked = false; } } }