ProcessingInstruction: hasAttribute() method
Limited availability
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The hasAttribute() method of the ProcessingInstruction interface returns a
boolean value indicating whether the specified element has the
specified attribute or not.
Syntax
js
hasAttribute(name)
Parameters
name-
A string representing the name of the attribute.
Return value
A boolean.
Examples
Basic usage
js
const pi = document.createProcessingInstruction("start", 'name="placeholder"');
console.log(pi.hasAttribute("name"));
// logs:
// true
Specifications
| Specification |
|---|
| DOM # dom-processinginstruction-hasattribute |