7 examples of 'puppeteer page evaluate' in JavaScript

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184async evaluateValue_(fn, ...args) {
185 const value = await this.evaluate(fn, ...args);
186 const json = await value.jsonValue();
187 return json.value;
188}
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22public async click(element: ElementHandle): Promise<void> {
23 await element.click();
24}
108public async waitFor(selector: string | EvaluateFn, options?: WaitForSelectorOptions, ...args: Array<SerializableOrJSHandle>): Promise<void> {
109 await this.page.waitFor(selector, options, ...args);
110}
54public async waitForSelector(selector: string) {
55 return this.page.waitForSelector(selector)
56}
50public async click(selector: string) {
51 return this.page.click(selector)
52}
22public async click(): Promise<void> {
23 return this.elementHandle.click();
24}
19runScript(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}

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