课程
/前端开发
/JavaScript
/搜索框制作
我会用< >，但是一般{ }这个符号是什么时候可以用的呢，还有（ ）什么时候时候可以用？有哪会能教教我吗
2017-11-19
源自：搜索框制作 1-3
正在回答
感觉应该是这样吧varre=/^[a-zA-Z][\d\_\.a-zA-Z]{4,19}$/;
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css里不是#a{color:red; } js里不是有alert(b); 这样么。具体样式的用法很多，看前后函数而定
举报
本课程从简入深讲解搜索框的制作，学习JQ与JS实现Ajax技术的不同点
