Welcome to a quick tutorial on the nested array in Javascript. So you have finally met the worthy opponent called the multidimensional array, and this “array in an array” thing sure is confusing. How do we create one? Add elements to it? Find an element inside? Let us walk through some examples – Read on! […]
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Welcome to a quick tutorial on permutations and combinations in Javascript. Ah, it’s that dreaded topic again. It has been donkey years, and people still put this confusing topic as an exercise in the school textbooks. To answer the permutations vs combinations question quickly: Permutations refer to: The number of ways we can arrange a
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Welcome to a quick tutorial on how to create a voice search using Javascript Speech Recognition API. Is the “normal search bar” too boring for you? Wonder if we can add a “voice search” button to a webpage? Yes, we can. It is also surprisingly pretty easy to do so. Read on for an example!
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So you are looking for ways to check the Javascript version, add some compatibility checks to your project? “Javascript version” can refer to any of the following in the modern-day: ECMA International now handles the recommended standards for the development of Javascript – ECMAScript 1st edition (ES1), ECMAScript 2nd edition (ES2), etc… Every company has
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Welcome to a quick tutorial on how to add HTML table rows and cells in Javascript. Need to dynamically update an HTML table using Javascript? To add new rows and cells to an HTML table in Javascript: Get the table – var table = document.getElementById(“TABLE”); Add a new row – var row = table.insertRow(); Append
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Welcome to a quick tutorial on how to move an HTML element to another container. Working on a custom selection list? Or just want to move a piece of content? To move an element from one container to another: Get the element to move – var s = document.getElementById(“TOMOVE”); Get the target container – var
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Welcome to a tutorial and example on how to create a custom video player with a playlist. Want to build your own video player and add a playlist to it? Sadly, things are not that straightforward. There are no native implementations of a video playlist in HTML and Javascript. The only way to create a
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Welcome to a quick tutorial on how to add elements to a Javascript array. New to Javascript and the whole array thing? Yes, creating a new array is straightforward, but it can be quite confusing when it comes to adding elements to an existing one. There are a couple of different ways to add elements
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Welcome to a tutorial on how to debug Javascript. Oh no! An error occurred, what is to be done next? Sadly, the immediate reaction of some beginners is to go into denial – Debugging is difficult, I will just report “it doesn’t work” and things will be magically fixed. Well, no. The most basic form
How To Debug Javascript (A Very Simple Guide) Read More »
Welcome to a quick tutorial on how to display error messages in Javascript. Just started with Javascript and wondering where the error messages went? Or looking for ways to better deal with error notifications? The common ways to show error messages in Javascript are: Error messages will show in the developer’s console by default. In
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