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jq的问题啦啦啦

jq的问题啦啦啦

西兰花伟大炮 2017-09-17 14:02:11
<style> div { color: red; text-align: center; cursor: pointer; font-weight: bolder; width: 300px; } </style> <script src="https://cdn.bootcss.com/jquery/3.2.1/jquery.js"></script> </head> <body> <div>Click here</div> <div>to iterate through</div> <div>these divs.</div> <script> $(document.body).click(function() { $( "div" ).each(function( i ) { if ( this.style.color !== "blue" ) { this.style.color = "blue"; } else { this.style.color = ""; } }); }); </script>这里使用的是document.body    为什么点击body没效果,换成document有效果,单纯使用body会报错,然后里面使用的是this,不是$(this)
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慕瓜9220888

TA贡献868条经验 获得超0个赞

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反对 回复 2021-10-20
?
橋本奈奈未

TA贡献436条经验 获得超108个赞

可以啊,你是不是点到别的区域,没点到body的区域?

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反对 回复 2017-09-17
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