Element: toggleAttribute() method

Baseline Widely available

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

Thuộc tính toggleAttribute() của giao diện Element toggles a Boolean attribute on the given element, removing it if present and adding it if not present.

Một chuỗi specifying the name of the attribute to be toggled. The attribute name is automatically converted to all lower-case when toggleAttribute() is called on an HTML element in an HTML document.

force Optional

Một boolean value which has the following effects:

if not specified at all, the toggleAttribute method "toggles" the attribute named name — removing it if it is present, or else adding it if it is not present
if true, the toggleAttribute method adds an attribute named name
if false, the toggleAttribute method removes the attribute named name

Giá trị trả về

true if attribute name is eventually present, and false otherwise.

Ngoại lệ

InvalidCharacterError DOMException: The specified attribute name chứa one or more characters that are not valid in attribute names. The name must have at least one character, and may not contain ASCII whitespace, NULL, /, = or > (U+0000, U+002F, U+003D, or U+003E, respectively).

<input value="text" /> <button>toggleAttribute("disabled")</button>

JavaScript

const button = document.querySelector("button");
const input = document.querySelector("input");

button.addEventListener("click", () => {
  input.toggleAttribute("disabled");
});