jQuery实现简单的无刷新邮件地址验证功能，验证email输入是否正确，这是表单验证中的其中之一，Email验证当然是比较实用的一种验证了，当输入正确的时候，文本框的后面会显示一个小对号，如果正在输入或者格式错误的时候，会显示红叉，适时提示用户是否输入正确。-jQuery to achieve a simple no-refresh-mail address authentication, verification email entered is correct, this is one form of validation, Email verification is certainly a more practical verification, and when you enter the correct time, behind the text box will Show a little checkmark, if you are entering or formatting errors when the red cross is displayed, the user is prompted to enter the correct timely.