Home Web Front-end JS Tutorial Implementation ideas for selecting all and unselecting all check boxes_javascript skills

Implementation ideas for selecting all and unselecting all check boxes_javascript skills

May 16, 2016 pm 05:25 PM
unselect all select all checkbox

复制代码 代码如下:




复选框处理.html






全选/全不选


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写代码


<script> <br>window.onload = function(){ <br>var checkItem = document.getElementById("checkItem").onclick = function(){ <br>var itemsElement = document.getElementsByName("item"); <br>for (var i = 0; i < itemsElement.length; i ) { <BR>var itemElement = itemsElement[i]; <BR>if (this.checked) { <BR>itemElement.checked = "checked"; <BR>} <BR>else { <BR>itemElement.checked = null; <BR>} <BR>} <BR>} <BR>} <BR></script>



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