GlobalEventHandlers.onsubmit

GlobalEventHandlersonsubmit 属性是一个处理 submitEventHandler

submit 事件会在用户点击提交按钮(<input type="submit"/> 元素)提交表单时触发。

语法

target.onsubmit = functionRef;

参数

functionRef 是一个函数名或 函数表达式。The function receives a FocusEvent object as its sole argument.

例子

This example demonstrates oninvalid and onsubmit event handlers on a form.

HTML

<form id="form">
  <p id="error" hidden>Please fill out all fields.</p>

  <label for="city">City</label>
  <input type="text" id="city" required>

  <button type="submit">Submit</button>
</form>
<p id="thanks" hidden>Your data has been received. Thanks!</p>

JavaScript

const form = document.getElementById('form');
const error = document.getElementById('error');
const city = document.getElementById('city');
const thanks = document.getElementById('thanks');

city.oninvalid = invalid;
form.onsubmit = submit;

function invalid(event) {
  error.removeAttribute('hidden');
}

function submit(event) {
  form.setAttribute('hidden', '');
  thanks.removeAttribute('hidden');

  // For this example, don't actually submit the form
  event.preventDefault();
}

Result

规范

规范 状态 备注
HTML Living Standard
onsubmit
Living Standard  

浏览器兼容性

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
onsubmitChrome Full support YesEdge Full support YesFirefox Full support YesIE Full support YesOpera Full support YesSafari Full support YesWebView Android Full support YesChrome Android Full support YesFirefox Android Full support YesOpera Android Full support YesSafari iOS Full support YesSamsung Internet Android Full support Yes

Legend

Full support  
Full support

参见