HTMLFormElement.reportValidity()

Baseline 2023

Newly available

Since March 2023, this feature works across the latest devices and browser versions. This feature might not work in older devices or browsers.

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 (en-US) 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