jQuery的基本设计**和主要用法,就是"选择某个网页元素,然后对其进行某种操作"。 使用jQuery的第一步,往往就是将一个选择表达式,放进构造函数jQuery()(简写为$),然后得到被选中的元素。
<script> $(function(){ $('.addBook2Cart').click(function(){// alert("hello"); }) }) </script>demo-jquery's Introduction
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