ElementHandle | /mod.ts | astral@0.3.5

A high-level puppeteer/playwright-like library for Deno

Latest

method ElementHandle.prototype.evaluate

Re-export

import { ElementHandle } from "https://deno.land/x/astral@0.3.5/mod.ts";

evaluate<E extends unknown, R extends AnyArray, T = unknown>(func: ElementEvaluateFunction<E, R, T> | string, evaluateOptions?: ElementEvaluateOptions<R>): Promise<T>

Executes the given function or string whose first argument is a DOM element and returns the result of the execution.

Examples

Example 1

/// <reference lib="dom" />
const value: string = await element.evaluate((element: HTMLInputElement) => element.value)

Example 2

/// <reference lib="dom" />
await element.evaluate(
 (el: HTMLInputElement, key: string, value: string) => el.setAttribute(key, value),
 { args: ["href", "astral"] }
)

Type Parameters

E extends unknown

R extends AnyArray

optional

T = unknown

Parameters

func: ElementEvaluateFunction<E, R, T> | string

optional

evaluateOptions: ElementEvaluateOptions<R>

Returns

Promise<T>