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Introduction In modern JavaScript, we have promise objects. Promises can be an alternative to callbacks for asynchronous APIs. Instead of passing a callback as an argument and handling the error in the same place, a promise object allows us to handle success and error cases separately and it also allows us to chain multiple asynchronous calls instead of nesting them. Lets understand this.   var asyncAdd = (a, b) => {     return new Promise((resolve, reject) => {       setTimeout(() => {         if (typeof a === 'number' && typeof b === 'number') {           resolve(a + b);  &nb...
by Neeraj Jio  |  on 01 May 2019

If you are a student or beginner working or interested in Web Development, you may have heard the word Full Stack Web Development using MEAN stack, or, simply MEAN Stack. MEAN Stack is a buzzword in the IT industry nowadays. People are crazy about this. Why? We shall discuss the ‘WHY’ in this article.   Introduction MEAN Stack is a combined short form for MongoDB, Express.js, Angular & Node.js. We can develop a full-fleshed application with these four technologies. These four technologies are enough for end-to-end development of a fully functional web application. We don’t have to use any other technology in general for a Complete Web Application Development. The good part is – we have to use JavaScript a...
by Neeraj Jio  |  on 01 May 2019