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’) {
