browser_evaluate
Evaluate JavaScript expressions on specific web page elements or the entire page using structured accessibility snapshots for precise interaction with web content.
Instructions
Evaluate JavaScript expression on page or element
Input Schema
| Name | Required | Description | Default |
|---|---|---|---|
| element | No | Human-readable element description used to obtain permission to interact with the element | |
| function | Yes | () => { /* code */ } or (element) => { /* code */ } when element is provided | |
| ref | No | Exact target element reference from the page snapshot |
Input Schema (JSON Schema)
{
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"element": {
"description": "Human-readable element description used to obtain permission to interact with the element",
"type": "string"
},
"function": {
"description": "() => { /* code */ } or (element) => { /* code */ } when element is provided",
"type": "string"
},
"ref": {
"description": "Exact target element reference from the page snapshot",
"type": "string"
}
},
"required": [
"function"
],
"type": "object"
}