ValidityState: badInput property
The read-only badInput
property of a ValidityState object indicates if the user has provided input that the browser is unable to convert. For example, if you have a number input element whose content is a string.
Value
A boolean.
Examples
html
<input type="number" id="age" />
js
const input = document.getElementById("age");
if (input.validity.badInput) {
console.log("Bad input detected…");
} else {
console.log("Content of input OK.");
}
Specifications
Specification |
---|
HTML Standard # dom-validitystate-badinput-dev |
Browser compatibility
BCD tables only load in the browser