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Front End Technology Articles
Page 651 of 652
How to use comments to prevent JavaScript Execution?
If you want another code while working in the same code document, then use comments. Comment the previous code and add the alternative code to test it. After the testing completes, uncomment the previous code. In this way, you can test both the codes. While using comments follow the below rules to create valid comments − Any text between a // and the end of a line is treated as a comment and is ignored by JavaScript. Any text between the characters /* and */ is treated as a comment. This may span multiple lines. JavaScript also recognizes the ...
Read MoreHow to debug obfuscated JavaScript?
To debug obfuscated JavaScript code, you need to use a JavaScript formatter or beautifier. Go to the following link to beautify JavaScript, In the left section, add your obfuscated JavaScript code and click Beautify as shown below, On clicking, you can see Beautified JavaScript code in the right section.
Read MoreHow to set the order of the flexible item, relative to the rest with JavaScript?
To set the order of the flexible item, relative to the rest of JavaScript, use the order property. You can try to run the following code to implement order property − Example Live Demo #box { border: 1px solid #000000; width: 420px; height: 150px; display: flex; } #box div { height: 80px; width: 80px; } DIV1 DIV2 DIV3 Set function display() { document.getElementById("myID1").style.order = "3"; document.getElementById("myID2").style.order = "1"; document.getElementById("myID3").style.order = "2"; }
Read MoreWhat is JavaScript garbage collection?
JavaScript automatically allocates memory, while a variable is declared. Garbage collection finds memory no longer used by the application and releases it since it is of no use. Garbage collector uses algorithms like Mark-and-sweep algorithm, to find the memory no longer used.This algorithm is used to free memory when an object is unreachable. The garbage collector identifies the objects, which are reachable or unreachable. These unreachable objects get the treatment from the automatic garbage collector.The Reference-Counting Garbage Collection is also used for garbage collection in JavaScript. The object will get automatically garbage collected if there are no references to it. ...
Read MoreWhy do we use jQuery over JavaScript?
jQuery is a JavaScript library, so it operates on top of JavaScript. It cannot exist on its own, so you can't use one over the other. You can use just JavaScript or JavaScript and jQuery. jQuery was introduced to make development with JavaScript easier. It will reduce the development time. Use it to add animation and even handling on your website. jQuery simplifies HTML document traversing, event handling, animating, and Ajax interactions for rapid web development. jQuery is easier to use compared to JavaScript and its other JavaScript libraries. You need to write fewer lines of code while using jQuery, ...
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Using CSS3 in SAP BSP application without using DOCTYPE tag
To add a DOCTYPE tag without changing code of your BSP application, you can try using in Web Server, JQuery, or other UI libraries.There are various other libraries that you can search for as a replacement for CSS3 and they have their own advantage. I have used JQuery UI, Wijmo or Modernizer.
Read MoreWhen to use $(document).ready() and when $(window).load() in jQuery?
$(window).load()Use $(window).load(), when you want the code inside it to run only once the entire page is ready (not only DOM). It executes when the page is fully loaded, including frames, objects and imagesNote: The load() method deprecated in jQuery version 1.8. It was completely removed in version 3.0. To see its working, add jQuery version for CDN before 3.0.$(document).ready()Use the $(document).ready() method when you want the code inside it to run once the page DOM is ready to execute JavaScript code.
Read MoreList of Best JavaScript libraries?
The following are some of the best JavaScript Libraries:jQueryjQuery is a fast and concise JavaScript Library created by John Resig in 2006 with a nice motto – “Write less, do more”. jQuery simplifies HTML document traversing, event handling, animating, and Ajax interactions for rapid web development.MooToolsMooTools is an object-oriented, lightweight JavaScript framework. The full form of MooTools is My Object-Oriented Tools. It is released under the free, open-source MIT License. It is one of most popular JavaScript libraries. MooTools is a powerful, lightweight JavaScript library. It creates an easy interaction of JavaScript in web development. It can also do many ...
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