原始的HTML:
<div class = "a">
<div class="firstNumber">
<span class="spanClass">4</span>
</div>
<div class="secondNumber"> </div>
</div>
<div class = "b">
..."firstNumber" div tag repeats here...
..."secondNumber" div tag repeats here too but might contain content...
</div>
我使用了下面的代码来检查"secondNumber" div标签是否为空。如果是,我想在"secondNumber" div标签内添加一个带有相同"spanClass"名称的标签包裹的"0"。但它没有起作用...
<script>
jQuery(function ($) {
if ($.trim($('.secondNumber').text()).length==0){
$(".secondNumber").wrapInner("<span class="spanClass">0</span>");
};
});
</script>