Pricing
Pay per usage
Crawls arbitrary websites using a web browser and extracts structured data from web pages using a provided JavaScript function. The Actor supports both recursive crawling and lists of URLs, and automatically manages concurrency for maximum performance.
4.5 (24)
Pricing
Pay per usage
982
94K
5.1K
Issues response
5.9 days
Last modified
3 months ago
You can access the Web Scraper programmatically from your own applications by using the Apify API. You can also choose the language preference from below. To use the Apify API, you’ll need an Apify account and your API token, found in Integrations settings in Apify Console.
1import { ApifyClient } from 'apify-client';2
3// Initialize the ApifyClient with your Apify API token4// Replace the '<YOUR_API_TOKEN>' with your token5const client = new ApifyClient({6 token: '<YOUR_API_TOKEN>',7});8
9// Prepare Actor input10const input = {11 "runMode": "DEVELOPMENT",12 "startUrls": [13 {14 "url": "https://crawlee.dev/js"15 }16 ],17 "respectRobotsTxtFile": true,18 "linkSelector": "a[href]",19 "globs": [20 {21 "glob": "https://crawlee.dev/js/*/*"22 }23 ],24 "pseudoUrls": [],25 "excludes": [26 {27 "glob": "/**/*.{png,jpg,jpeg,pdf}"28 }29 ],30 "pageFunction": `// The function accepts a single argument: the "context" object.31 // For a complete list of its properties and functions,32 // see https://apify.com/apify/web-scraper#page-function 33 async function pageFunction(context) {34 // This statement works as a breakpoint when you're trying to debug your code. Works only with Run mode: DEVELOPMENT!35 // debugger; 36 37 // jQuery is handy for finding DOM elements and extracting data from them.38 // To use it, make sure to enable the "Inject jQuery" option.39 const $ = context.jQuery;40 const pageTitle = $('title').first().text();41 const h1 = $('h1').first().text();42 const first_h2 = $('h2').first().text();43 const random_text_from_the_page = $('p').first().text();44 45 46 // Print some information to Actor log47 context.log.info(`URL: ${context.request.url}, TITLE: ${pageTitle}`);48 49 // Manually add a new page to the queue for scraping.50 await context.enqueueRequest({ url: 'http://www.example.com' });51 52 // Return an object with the data extracted from the page.53 // It will be stored to the resulting dataset.54 return {55 url: context.request.url,56 pageTitle,57 h1,58 first_h2,59 random_text_from_the_page60 };61 }`,62 "proxyConfiguration": {63 "useApifyProxy": true64 },65 "initialCookies": [],66 "waitUntil": [67 "networkidle2"68 ],69 "preNavigationHooks": `// We need to return array of (possibly async) functions here.70 // The functions accept two arguments: the "crawlingContext" object71 // and "gotoOptions".72 [73 async (crawlingContext, gotoOptions) => {74 // ...75 },76 ]`,77 "postNavigationHooks": `// We need to return array of (possibly async) functions here.78 // The functions accept a single argument: the "crawlingContext" object.79 [80 async (crawlingContext) => {81 // ...82 },83 ]`,84 "breakpointLocation": "NONE",85 "customData": {}86};87
88// Run the Actor and wait for it to finish89const run = await client.actor("apify/web-scraper").call(input);90
91// Fetch and print Actor results from the run's dataset (if any)92console.log('Results from dataset');93console.log(`💾 Check your data here: https://console.apify.com/storage/datasets/${run.defaultDatasetId}`);94const { items } = await client.dataset(run.defaultDatasetId).listItems();95items.forEach((item) => {96 console.dir(item);97});98
99// 📚 Want to learn more 📖? Go to → https://docs.apify.com/api/client/js/docsThe Apify API client for JavaScript is the official library that allows you to use Web Scraper API in JavaScript or TypeScript, providing convenience functions and automatic retries on errors.
Install the apify-client
$npm install apify-clientOther API clients include: