自己尝试着写了一个计算器,span 为 div的子元素,给div绑定了click事件,但点击span时浏览器报错,无法实现预期效果。html:<div class = "container col-sm-offset-5">
<div class="row " id = "display-sec">
<div class="col-sm-4" style="background-color:black">
<span id = "distxt">0</span>
</div>
</div>
<div class="row">
<div class="col-sm-1 calButton ">
<span class="calValue" id="ac">AC</span>
</div>
<div class="col-sm-1 calButton " >
<span class="calValue" id="negative">+/-</span>
</div>
<div class="col-sm-1 calButton " >
<span class="calValue" id="percent">%</span>
</div>
<div class="col-sm-1 calButton lastcol" >
<span class="calValue" id="divide">/</span>
</div>
</div>javascript click事件绑定:当点击span时无法触发,div绑定事件。PS:小白不想用JQ,谢谢!
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