How to Submit a Form Using JavaScript

本文介绍了如何使用JavaScript来实现表单的自动提交功能。通常情况下,表单通过用户点击提交按钮来发送数据,但有时也需要通过编程方式来触发提交操作。文章提供了具体的代码示例,展示了如何利用JavaScript中的submit()方法完成这一过程。

How to Submit a Form Using JavaScript

 
Generally, a form is submitted when the user presses a submit button. However, sometimes, you may need to submit the form programmatically using JavaScript.

JavaScript provides the form object that contains the submit() method. Use the 'id' of the form to get the form object.

For example, if the name of your form is 'myform', the JavaScript code for the submit call is:
document.forms["myform"].submit();

But, how to identify a form? Give an id attribute in the form tag

		
<form id='myform' action='formmail.pl'>

 

Here is the code to submit a form when a hyperlink is clicked:

<form name="myform" action="handle-data.php">
Search: <input type='text' name='query' />
<a href="javascript: submitform()">Search</a>
</form>
<script type="text/javascript">
function submitform()
{
  document.myform.submit();
}
</script> 

 

Click the link below to see the code in action:
JavaScript Form Submit Example 1

转载于:https://www.cnblogs.com/hellofei/archive/2010/03/17/1688319.html

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