HTMLElement

`HTMLElement.prototype.blur`

Removes keyboard focus from the currently focused element

Syntax

JavaScript

element.blur()

Return Value

undefined

Examples

Basic Usage

const input = document.querySelector('input') as HTMLInputElement
input.blur()

Practical Example

document.querySelectorAll('input').forEach(input => {
  (input as HTMLInputElement).blur()
})

Advanced Usage

function clearFocus() {
  const active = document.activeElement as HTMLElement | null
  active?.blur()
}

Understanding HTMLElement.prototype.blur

The HTMLElement.prototype.blur method in JavaScript removes keyboard focus from the currently focused element. It belongs to the HTMLElement object and is one of the most widely used methods for working with htmlelement values in modern JavaScript and TypeScript applications.

The method signature is element.blur(). When called, it returns undefined. Understanding when and how to use blur() helps you write more expressive, readable code.

Common use cases for HTMLElement.prototype.blur include data transformation, input validation, API response processing, and building reusable utility functions. It works well alongside related methods like dom-focus, dom-click, enabling you to chain operations together for complex data manipulation pipelines.

Browser support for HTMLElement.prototype.blur is excellent across all modern browsers including Chrome, Firefox, Safari, and Edge. It is also fully supported in Node.js and Deno. For older environments, transpilation with Babel or a polyfill may be needed.