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Which of the Following Is Not Something You Can Do With the Browser Developer Tools?

Written By Wednesday, 16 February 2022 Add Comment Edit

Page inspector with element picker and CSS holding editor

Web development tools (frequently chosen devtools or inspect element) allow web developers to test and debug their code. They are dissimilar from website builders and integrated development environments (IDEs) in that they do not assist in the straight creation of a webpage, rather they are tools used for testing the user interface of a website or web application.

Web development tools come as browser add-ons or built-in features in spider web browsers. About pop spider web browsers, such as Google Chrome, Firefox, Internet Explorer, Safari, Microsoft Edge and Opera,[i] have built-in tools to help spider web developers, and many additional add-ons can be found in their respective plugin download centers.

Web development tools let developers to piece of work with a variety of web technologies, including HTML, CSS, the DOM, JavaScript, and other components that are handled past the web browser. Due to increasing need from spider web browsers to do more than,[2] popular web browsers have included more than features geared for developers.[3]

Web developer tools back up [edit]

Several notable web browsers accept support for web developer tools that allow web designers and developers to look at the make-upwards of their pages. These are all tools that are congenital into the browser and do not require boosted modules or configuration.

  • Firefox – F12 opens the Web Console / Browser Console (since Firefox 4).[4] [5] The Web Panel applies to a single content tab; the Browser Panel applies to the whole browser.[6] Many addons also exist, including Firebug.
  • Google Chrome – Chrome Developer Tools (DevTools)[7]
  • Internet Explorer and Microsoft Border – F12 opens Web Developer Tools (equally of version 8)[eight] [ix]
  • Opera – Opera Dragonfly[10]
  • Safari – Safari Spider web Development Tools[11] (every bit of version three)[12]

Virtually used features [edit]

The congenital-in web developer tools in the browser are commonly accessed past hovering over an item on a webpage and selecting the "Inspect Element" or similar pick from the context carte du jour. Alternatively the F12 primal tends to exist another mutual shortcut.[13]

HTML and the DOM [edit]

HTML and DOM viewer and editor is commonly included in the built-in spider web evolution tools. The difference between the HTML and DOM viewer, and the view source feature in spider web browsers is that the HTML and DOM viewer allows yous to see the DOM every bit it was rendered in improver to allowing you lot to brand changes to the HTML and DOM and see the change reflected in the page after the change is made.[fourteen]

In addition to selecting and editing, the HTML elements panels will usually also display properties of the DOM object, such as display dimension, and Cascading- style sail properties.[15]

3D page inspector, a feature of Firefox versions 11 to 46.

Firefox versions 11 to 46 were equipped with a 3D folio inspector using WebGL, where the nesting of elements was visualized with layers protruding from the page surface.[16] [17]

Web folio avails, resources and network information [edit]

Web pages typically load and require boosted content in the form of images, scripts, font and other external files. Web development tools also allow developers to inspect resources that are loaded and available on the web page in a tree-construction list, and the appearance of manner sheets can exist tested in real fourth dimension.[18] [19]

Web development tools also allow developers to view information virtually the network usage, such as viewing what the loading fourth dimension and bandwidth usage are and which HTTP headers are being sent and received.[xx]

Profiling and auditing [edit]

Profiling allows developers to capture information about the functioning of a spider web page or spider web application. With this information developers can improve the operation of their scripts. Auditing features may provide developers suggestions, after analyzing a folio, for optimizations to decrease page load time and increase responsiveness. Web development tools typically also provide a record of the time it takes to render the page, memory usage, and the types of events which are taking place.[21] [22]

These features allow developers to optimize their web page or web awarding.[23]

JavaScript debugging [edit]

JavaScript is commonly used in web browsers. Web evolution tools ordinarily include a console to debug scripts by assuasive developers to add watch expressions, breakpoints, view the call stack, and pause, step over, stride into, and step out of functions while debugging JavaScript.

A JavaScript console is normally included. The consoles allow developers to type in JavaScript commands and call functions, or view errors that may accept been encountered during the execution of a script.[24] [25] [26]

Extensions and plugins [edit]

Modern web browsers support the utilise of plugins or extensions to add or augment functionality.[27] There are many common plugins that can provide a diverse range of additional features.

Run into besides [edit]

  • Web Programmer (software)
  • Web Development life cycle
  • Www

References [edit]

  1. ^ "同性恋三级".
  2. ^ "Growing Need for Web Developers". Brilliant Hub. 5 Feb 2009. Retrieved 2018-09-06 .
  3. ^ "Latest Application Development | Mobile Web Evolution - App Development, Application Trends". devworks.thinkdigit.com . Retrieved 2018-09-06 .
  4. ^ "The Browser Console". Mozilla Hacks – the Web developer web log . Retrieved 2018-09-06 .
  5. ^ "Web Console". MDN Spider web Docs . Retrieved 2018-09-06 .
  6. ^ "Browser Console". Mozilla Programmer Network. 13 August 2016. Retrieved 15 March 2017.
  7. ^ "Chrome DevTools Overview - Google Chrome". developer.chrome.com . Retrieved 2018-09-06 .
  8. ^ McCormick, Libby. "F12 Developer Tools (Windows)". msdn.microsoft.com . Retrieved 2018-09-06 .
  9. ^ erikadoyle. "Microsoft Edge Developer Tools - Microsoft Border Development". docs.microsoft.com . Retrieved 2018-09-06 .
  10. ^ "Opera Browser | Faster, Safer, Smarter Web Browser". www.opera.com . Retrieved 2018-09-06 .
  11. ^ Inc., Apple. "Tools - Safari - Apple Developer". developer.apple.com . Retrieved 2018-09-06 .
  12. ^ Safari version history
  13. ^ "Chrome DevTools".
  14. ^ McCormick, Libby. "Introduction to F12 Developer Tools (Windows)". msdn.microsoft.com . Retrieved 2018-09-06 .
  15. ^ "Inspect and Edit Pages and Styles  |  Tools for Web Developers". Google Developers . Retrieved 2018-09-06 .
  16. ^ "Firefox gets 3D page inspector tool". 10 January 2012. Archived from the original on July 9, 2021. Retrieved 1 July 2021.
  17. ^ "3D view - Firefox Developer Tools | MDN". developer.mozilla.org. From Firefox 47 onwards, 3D view is no longer available.
  18. ^ "Resources Console - Google Chrome". developers.google.com . Retrieved 2018-09-06 .
  19. ^ "Firefox Debuts New Programmer Toolbar". The Mozilla Weblog . Retrieved 2018-09-06 .
  20. ^ "Measure Resource Loading Times  |  Tools for Spider web Developers". Google Developers . Retrieved 2018-09-06 .
  21. ^ "Profiles Panel - Google Chrome". developers.google.com . Retrieved 2018-09-06 .
  22. ^ McCormick, Libby. "F12 developer tools panel mistake messages (Windows)". msdn.microsoft.com . Retrieved 2018-09-06 .
  23. ^ McCormick, Libby. "Using the Profiler Tool to clarify the performance of your code (Windows)". msdn.microsoft.com . Retrieved 2018-09-06 .
  24. ^ "New Firefox Control Line helps you develop faster". Mozilla Hacks – the Spider web developer web log . Retrieved 2018-09-06 .
  25. ^ "Opera Browser | Faster, Safer, Smarter Web Browser". www.opera.com . Retrieved 2018-09-06 .
  26. ^ "Using the Panel  |  Tools for Web Developers". Google Developers . Retrieved 2018-09-06 .
  27. ^ "More browser features, fewer plugin updates | Firefox". Mozilla . Retrieved 2018-09-06 .

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Source: https://en.wikipedia.org/wiki/Web_development_tools

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