![]() ![]() Although browsers have significantly decreased the time it takes to parse and compile scripts, download and execution have become the most expensive stages when JavaScript is processed by a web page. JavaScript is the most costly resource we send to browsers having to be downloaded, parsed, compiled, and finally executed. This chapter consolidates and analyzes many of these trends. #Jquery idle timer js download archiveIn the context of JavaScript, HTTP Archive provides extensive information on the usage of the language for the entire web. (You can learn more about this in our methodology). The HTTP Archive crawls millions of pages every month and runs them through a private instance of WebPageTest to store key information of every page. JavaScript implementations and interpreters have also continued to progress, making the language usable in many environments, not only web browsers. The language specification itself, along with many community-built libraries and frameworks used by developers around the world, has changed and evolved ever since the language was created in 1995. Anything involving how a web page should behave when an event occurs is what JavaScript is used for. ![]() ![]() This includes responding to user interactions, updating dynamic content on a page, and so forth. JavaScript is a scripting language that makes it possible to build interactive and complex experiences on the web. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |