ProcessingInstruction: hasAttribute() method

The hasAttribute() method of the ProcessingInstruction interface returns a boolean value indicating whether the specified element has the specified attribute or not.

Syntax

hasAttribute(name)

Parameters

name

A string representing the name of the attribute.

Return value

A boolean.

Examples

Basic usage

const pi = document.createProcessingInstruction("start", 'name="placeholder"');

console.log(pi.hasAttribute("name"));
// logs:
// true

Specifications

• DOM

See also

• ProcessingInstruction.hasAttributes()
• ProcessingInstruction.getAttribute()
• ProcessingInstruction.getAttributeNames()
• ProcessingInstruction.setAttribute()
• ProcessingInstruction.removeAttribute()
• ProcessingInstruction.toggleAttribute()