HTMLFormElement.reportValidity()

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since December 2018.

方法 HTMLFormElement.reportValidity() 返回布尔值，如果 form 表单的子表单控件满足验证限制条件，则该方法返回 true ，否则返回false。当返回 false 时，每个不合法的子控件的 invalid 事件将会被触发，并且验证中存在的问题会报告该用户。

Syntax

HTMLFormElement.reportValidity()

Return value

布尔

Example

js
document.forms["myform"].addEventListener(
  "invalid",
  function () {
    // Optional response here
  },
  false,
);

document.forms["myform"].addEventListener(
  "submit",
  function () {
    document.forms["myform"].reportValidity();
  },
  false,
);

Specifications

Specification
HTML Standard
# dom-cva-reportvalidity-dev

Browser compatibility

BCD tables only load in the browser