[Home](./index.md) > [puppeteer](./puppeteer.md) > [Frame](./puppeteer.frame.md) > [waitFor](./puppeteer.frame.waitfor.md) ## Frame.waitFor() method Signature: ```typescript waitFor(selectorOrFunctionOrTimeout: string | number | Function, options?: {}, ...args: SerializableOrJSHandle[]): Promise; ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | selectorOrFunctionOrTimeout | string \| number \| Function | a selector, predicate or timeout to wait for. | | options | {} | optional waiting parameters. | | args | [SerializableOrJSHandle](./puppeteer.serializableorjshandle.md)\[\] | arguments to pass to pageFunction. | Returns: Promise<[JSHandle](./puppeteer.jshandle.md) \| null> ## Remarks This method behaves differently depending on the first parameter. If it's a `string`, it will be treated as a `selector` or `xpath` (if the string starts with `//`). This method then is a shortcut for [Frame.waitForSelector()](./puppeteer.frame.waitforselector.md) or [Frame.waitForXPath()](./puppeteer.frame.waitforxpath.md). If the first argument is a function this method is a shortcut for [Frame.waitForFunction()](./puppeteer.frame.waitforfunction.md). If the first argument is a `number`, it's treated as a timeout in milliseconds and the method returns a promise which resolves after the timeout.