Start with something really simple: a multi-field registration form that you want to submit with Ajax instead of using the regular Web form Posting path.

我们从最简单的东西入手：一个包含多个字段的注册表单，希望通过Ajax而不是常规的Web表单上传办法来提交。

youdao

The code to generate a new custom registration field is shown in Listing 5.

清单5所示的代码可以生成一个新的定制注册字段。

youdao

The second is an extra field on the end of the registration form for a user.

第二个功能是在用户注册表的末尾添加一个额外字段。

youdao

Another way to get cheap and useful contact information is by placing an e-mail registration field atop every page on your Web site.

FORBES: Artful Spam

On Monday, Nevada officials charged Acorn, its regional director and its Las Vegas field director with submitting thousands of fraudulent voter registration forms last year.

WSJ: More Acorn Voter Fraud Comes to Light