[Home](./index.md) > [puppeteer](./puppeteer.md) > [ExecutionContext](./puppeteer.executioncontext.md)
## ExecutionContext class
Signature:
```typescript
export declare class ExecutionContext
```
## Constructors
| Constructor | Modifiers | Description |
| --- | --- | --- |
| [(constructor)(client, contextPayload, world)](./puppeteer.executioncontext._constructor_.md) | | Constructs a new instance of the ExecutionContext
class |
## Properties
| Property | Modifiers | Type | Description |
| --- | --- | --- | --- |
| [\_client](./puppeteer.executioncontext._client.md) | | [CDPSession](./puppeteer.cdpsession.md) | |
| [\_contextId](./puppeteer.executioncontext._contextid.md) | | number | |
| [\_world](./puppeteer.executioncontext._world.md) | | DOMWorld | |
## Methods
| Method | Modifiers | Description |
| --- | --- | --- |
| [\_adoptBackendNodeId(backendNodeId)](./puppeteer.executioncontext._adoptbackendnodeid.md) | | |
| [\_adoptElementHandle(elementHandle)](./puppeteer.executioncontext._adoptelementhandle.md) | | |
| [evaluate(pageFunction, args)](./puppeteer.executioncontext.evaluate.md) | | |
| [evaluateHandle(pageFunction, args)](./puppeteer.executioncontext.evaluatehandle.md) | | |
| [frame()](./puppeteer.executioncontext.frame.md) | | |
| [queryObjects(prototypeHandle)](./puppeteer.executioncontext.queryobjects.md) | | |