HTMLFormElement.reportValidity()

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

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

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

Specifications

Specification Status Comment
HTML Living Standard
HTMLFormElement.reportValidity()
Living Standard
HTML 5.1
HTMLFormElement.reportValidity()
Recommendation Initial definition

Browser compatibility

BCD tables only load in the browser