JS代码：
1 <script language="javascript" type="text/javascript"> 2 3 //转载请保留出处 4 function unselectall() { 5 if (document.getElementById("chkAll").checked) { 6 document.getElementById("chkAll").checked = document.getElementById("chkAll").checked & 0; 7 } 8 } 9 function CheckAll(form) {10 var r = document.getElementById("Example1");11 if (r != null) {12 var r2 = r.getElementsByTagName('input');13 for (var i = 0; i < r2.length; i++) {14 var e = r2[i];15 if (e.Name != 'chkAll' && e.disabled == false)16e.checked = document.getElementById("chkAll").checked;17 }18 }19 }20</script>
HTML代码：
1 <div id="Example1"> 2 <input name='id' type='checkbox' οnclick='unselectall()' id='id' value='1' /> 3 A 4 <input name='id' type='checkbox' οnclick='unselectall()' id='id' value='2' /> 5 B 6 <input name='id' type='checkbox' οnclick='unselectall()' id='id' value='3' /> 7 C 8 <input name='id' type='checkbox' οnclick='unselectall()' id='id' value='4' /> 9 D10 <input name='chkAll' type='checkbox' id='chkAll' οnclick='CheckAll(this.form)' value='checkbox' />11 全选12</div>
