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标题:javascript实现checkbox全选和反选的例子
正文:
复选框全选示例代码如下:<input type="checkbox" name="selectall" value=on onclick="selectAll()"> function selectAll(form) { var obj = document.getElementsByName('selectall'); var cks = document.getElementsByTagName("input"); var ckslen = cks.length; for(var i=0;i<ckslen-1;i++) { if(cks[i].type == 'checkbox') { cks[i].checked = obj[0].checked; } }}复选框全选与全不选示例代码如下:<html><head><script>function selectAll(){ var checklist = document.getElementsByName ("selected"); if(document.getElementById("controlAll").checked) { for(var i=0;i<checklist.length;i++) { checklist[i].checked = 1; } }else{ for(var j=0;j<checklist.length;j++) { checklist[j].checked = 0; } }}</script></head><body><form>
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