我在这
var prop= document.querySelectorAll('[data-name="header"]')[0].getAttribute("class");
var class_name= "." + prop ;
class_name {
display: none;
}
<div class="_69x2sms" data-name="header">
<div class="_18tvv4h">
<a target="_blank" href="">
<span>Done
<span class="_qx8n3fw">..!</span>
</span>
</a>
</div>
<div class="_8sfqbvd">have fun</div>
</div>
我试图在样式标签中获取 JavaScript 变量,即“class_name”,代码在这里,class="_69x2sms" 在这里是动态的
<div class="_69x2sms" data-name="header">
<div class="_18tvv4h">
<a target="_blank" href="">
<span>Done
<span class="_qx8n3fw">..!</span>
</span>
</a>
</div>
<div class="_8sfqbvd">have fun</div>
</div>
<script type="text/javascript">
var prop= document.querySelectorAll('[data-name="header"]')[0].getAttribute("class");
var class_name= "." + prop ;
</script>
<style>
class_name {
display: none;
}
</style>
Qyouu
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