In this short tip post, we will learn how to replace all occurrence of a string in JavaScript. Objective Finding the occurrences of a given string and replacing them with the given word. Approach There are two approaches: Using RegEx Using JavaScript Split() and Join() method Code We can use Regular expression to this task. […]
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In this short tip post, we will learn how to clone the existing array in JavaScript. Objective Create a copy of the array using JavaScript function. Approach Generally, people do the iteration over the existing array and copy each element to new array to create a clone. We can use slice() function to create the
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In this short tip post, we will learn how to perform redirection to another webpage using JavaScript. Objective We need to redirect the user to another webpage on a particular event, say when user clicks on a button. Approach We can use window.location.href function of JavaScript to achieve the same. Code Here is the code.
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In this short tip post, we will learn how to check if a string contains a substring using JavaScript. Objective We need to check whether the given word is present in the string as a substring. Approach We can use JavaScript indexOf() method to achieve the same. We can also use ES6 includes() method. Code
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We all love Ajax, don’t we? And there is an obvious reason. Ajax is great for user experience. In this tutorial, I am going to build an application using Node.js that will let the user upload files using Ajax instead of conventional upload that requires a browser refresh action to see the change. LIVE DEMO
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I am a ___ developer. If you fill the blank with any single technology say Java or anything else then you are about to become a history. Those days are gone when developers use and code in just one programming language and get paid a lot. Full stack developers are the hottest thing in 2017
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Slack is without a doubt a widely adopted messaging tool. It’s been used in companies ranging from startups to fortune 1000. Slack offers various features such as integration, groups, private chat and bots. Bots are one of the exciting features of slack for the developers. Slack offers SDK’s which we can integrate it into various
Building a Slack Bot to Get Currency Exchange Using NodeJs Read More »
We have covered session management in ExpressJs using a global variable technique which of course will not work in the case of shared server or concurrent execution of HTTP requests which is the most familiar production scenario. Codeforgeek readers requested to provide a solution for this issue and the optimal one is to use external
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Quick summary: In this tutorial, we are going to program a voice-controlled drone using Node.js and Web speech API. We will use Parrot ARDrone 2.0 as our drone and Node.js + web speech API to build our application. Introduction Drones are amazing. I personally love the ability to sit down and fly the drone to
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A refreshing particular element of a web page is one of the frequently used approaches in web development. JavaScript provide the setInterval() method to repeat the task after specified time. Angularjs provides wrapper of setInterval() with $interval angular service module. LIVE DEMO DOWNLOAD To refresh a DIV or any element in specified time, i am
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