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Introduction to the usage of jQuery (code)

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Release: 2019-03-23 15:54:01
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本篇文章给大家带来的内容是关于jQuery的用法介绍(代码),有一定的参考价值,有需要的朋友可以参考一下,希望对你有所帮助。

代码部分

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思路

首先声明函数jQuery()并在函数中声明一个封装了两个函数的对象,以实现给元素加class和添加文本的功能;
其次在函数中判断所传参数是否为字符串还是节点;
接着编写addClass与setText方法;
最后返回对象nodes,可以调用对象中的方法,大功告成。

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