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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 ⁨2018年4月⁩.

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
# dom-cva-reportvalidity-dev

Browser compatibility