## async method: Response.finished * since: v1.8 * langs: js - returns: <[null]|[Error]> ## method: Request.failure * since: v1.8 * langs: js - returns: <[null]|[Object]> - `errorText` <[string]> Human-readable error message, e.g. `'net::ERR_FAILED'`. ### param: ElementHandle.evalOnSelector.expression = %%-js-evalonselector-pagefunction-%% * since: v1.9 ### param: ElementHandle.evalOnSelectorAll.expression = %%-js-evalonselectorall-pagefunction-%% * since: v1.9 ### param: Frame.evalOnSelector.expression = %%-js-evalonselector-pagefunction-%% * since: v1.9 ### param: Frame.evalOnSelectorAll.expression = %%-js-evalonselectorall-pagefunction-%% * since: v1.9 ### param: Frame.evaluate.expression = %%-js-evaluate-pagefunction-%% * since: v1.8 ### param: Frame.evaluateHandle.expression = %%-js-evaluate-pagefunction-%% * since: v1.8 ### param: Frame.waitForFunction.expression = %%-js-evaluate-pagefunction-%% * since: v1.8 ### param: JSHandle.evaluate.expression = %%-js-evaluate-pagefunction-%% * since: v1.8 ### param: JSHandle.evaluateHandle.expression = %%-js-evaluate-pagefunction-%% * since: v1.8 ### param: Page.evalOnSelector.expression = %%-js-evalonselector-pagefunction-%% * since: v1.9 ### param: Page.evalOnSelectorAll.expression = %%-js-evalonselectorall-pagefunction-%% * since: v1.9 ### param: Page.evaluate.expression = %%-js-evaluate-pagefunction-%% * since: v1.8 ### param: Page.evaluateHandle.expression = %%-js-evaluate-pagefunction-%% * since: v1.8 ### param: Page.waitForFunction.expression = %%-js-evaluate-pagefunction-%% * since: v1.8 ### param: Worker.evaluate.expression = %%-js-worker-evaluate-workerfunction-%% * since: v1.8 ### param: Worker.evaluateHandle.expression = %%-js-worker-evaluate-workerfunction-%% * since: v1.8 ### param: ElectronApplication.evaluate.expression = %%-js-electron-evaluate-workerfunction-%% * since: v1.9 ### param: ElectronApplication.evaluateHandle.expression = %%-js-electron-evaluate-workerfunction-%% * since: v1.9 ### param: Locator.evaluate.expression = %%-js-evaluate-pagefunction-%% * since: v1.14 ### param: Locator.evaluateAll.expression = %%-js-evaluate-pagefunction-%% * since: v1.14 ### param: Locator.evaluateHandle.expression = %%-js-evaluate-pagefunction-%% * since: v1.14