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  • JavaScript 全选函数的实现

    Html代码:

    <table id="purchase-info" class="table table-bordered table-hover table-striped" cellspacing="0"  width="100%" align="center">
           <caption>采购清单</caption>
           <thead>
           <tr>
               <td><input class="allChoose" type="checkbox" onclick="selectAll()"></td>
               <th>物品编号</th>
               <th>物品名称</th>
               <th>物品分类</th>
               <th>规格型号</th>
               <th>供应商</th>
               <th>采购人员</th>
               <th>采购数量</th>
               <th>备注</th>
               <th>入库操作</th>
           </tr>
           </thead>
    
           <tbody id="purchase-item">
        
           <tr>
               <td><input class="choose" type="checkbox"/></td>
               <td>001</td>
               <td>真彩水性笔</td>
               <td>文具</td>
               <th>盒(12支)</th>
               <th>上海真彩文具店</th>
               <th>小王</th>
               <th>50</th>
               <th>无备注</th>
               <td><button id="inStorage">入库</button></td>
           </tr>
           <tr>
               <td><input class="choose" type="checkbox"/></td>
               <td>001</td>
               <td>真彩水性笔</td>
               <td>文具</td>
               <th>盒(12支)</th>
               <th>上海真彩文具店</th>
               <th>小王</th>
               <th>50</th>
               <th>无备注</th>
               <td><button id="inStorage">入库</button></td>
           </tr>
      </tbody>
    </table>

    JavaScript 代码:

    //全选功能函数
    function selectAll(){
        var allChoose=document.getElementsByClassName("allChoose")[0];
        var list=document.getElementsByClassName("choose");
        if(allChoose.checked){
            for(var i= 0;i<list.length;i++){
                list[i].checked=true;
            }
            return true;
        }else{
            for(var i=0;i<list.length;i++){
                list[i].checked=false;
            }
            return false;
        }
    }

    效果如下:

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  • 原文地址:https://www.cnblogs.com/shenxiaolin/p/5575101.html
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