7 examples of 'puppeteer page evaluate' in JavaScript

184
async evaluateValue_(fn, ...args) {
185
  const value = await this.evaluate(fn, ...args);
186
  const json = await value.jsonValue();
187
  return json.value;
188
}

22
public async click(element: ElementHandle): Promise {
23
  await element.click();
24
}

108
public async waitFor(selector: string | EvaluateFn, options?: WaitForSelectorOptions, ...args: Array): Promise {
109
    await this.page.waitFor(selector, options, ...args);
110
}

54
public async waitForSelector(selector: string) {
55
    return this.page.waitForSelector(selector)
56
}

50
public async click(selector: string) {
51
    return this.page.click(selector)
52
}

22
public async click(): Promise {
23
  return this.elementHandle.click();
24
}

19
runScript(pageFunction, ...args) {
20
  let parsedFn
21
  if (typeof pageFunction === 'function') {
22
    parsedFn = parseFunction(pageFunction, args, this.getBabelPresetOptions())
23
  } else {
24
    parsedFn = pageFunction
25
  }
26
27
  // It would be bettter to return undefined when no el exists,
28
  // but selenium always returns null for undefined so better to keep
29
  // the return value consistent
30
  return this.page.evaluate(
31
    /* istanbul ignore next */
32
    function (fn, ...args) {
33
      return (new (Function.bind.apply(Function, fn))()).apply(null, [].concat(args))
34
    },
35
    [null, ...parsedFn.args, parsedFn.body],
36
    ...args
37
  )
38
}