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卢雨杰914

学习内容

页面的滚动

js编写简单的计算器

添加监听事件对象的方式:

注意点:

事件名不要加on前缀,(一个事件可以绑定多个处理函数)

事件处理函数,既可以是匿名函数,又可以是有名称的函数

学习心得

​ 还需要更加努力

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