Generic JavaScript parser

Generic JavaScript parser


Generic JavaScript parser AVADA-MEDIA

In all areas related to information, it is often necessary to search and process large amounts of data. We can talk about scales, the adequate manual processing of which is devoid of any practical sense or is completely impossible. For such tasks, a JS parser is used, which efficiently and quickly collects data according to the specified parameters.

JS parser is software written in the JavaScript scripting language that extracts certain information necessary for the user from the data array. The principle and order of work of any parser looks like this:

  • The parser scans the data about the web page that the user is interested in using a special script;
  • Then the parser selects the required elements – which ones depend on the software settings;
  • The collected information is saved in the format specified when setting the task for further use;
  • As a result, a table with the received parsing results can be generated.
Generic JavaScript parser

Scopes of JS parsing


Scopes of JS parsing AVADA-MEDIA

First of all, this is internet marketing and advertising. The parser allows you to collect relevant information about potential customers from open sources – for example, parse email addresses on a huge number of resources. Also, the JS parser is useful for search engine optimization specialists, or SEO – it will collect the entire array of keywords for which users are looking for similar content, as well as meta tags from competitors’ sites – that is, those elements that are visible only using the developer’s tools in the browser. The parser also allows you to effectively work with the link mass, including auditing links.

The parser is also used to collect descriptions and characteristics of goods and place them in the catalog of online stores. The program collects publicly available information from the official websites of manufacturers and sales representatives and can even translate descriptions using automatic translation programs, for example, Google translate.

A program for parsing sites in JS is also suitable for monitoring frequently updated information, for example, news. With its help, you can create an automatically updated news feed on your site, place on it a weather forecast, exchange rates and other automatically updated data that may be useful to your users. Advertisements are also often monitored, this information can be very useful to agents of any kind: real estate and auto trade, insurance agents and sales representatives.

A generic JavaScript parser can also be used to find information on social networks. It will also come in handy for owners of large communities on social networks, allowing them to search and post content of interest to community members in automatic mode, analyze members’ pages and collect publicly available contact information.

Why JavaScript


Why JavaScript AVADA-MEDIA

Parsers are written in a wide variety of programming languages, among which JavaScript is not the most widely used. But it has a number of advantages in this respect. The Node.js framework and the Puppeteer library allow you to implement all the features of the JavaScript language when creating a JS parser. Node.js allows you to create scripts that run not only in the user’s browser, but also on the server side.

The Puppeteer library allows you to create a JS parser that simulates user actions on the site. Due to the high speed of work, the JS parser allows you to process a huge amount of resources per unit of time. The AVADA MEDIA company employs senior and middle developers who own all the necessary technologies to create programs for parsing sites in JS for the tasks of the customer.

Generic JavaScript parser

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