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Tag Archives: JavaScript-Questions

In this article, we will learn how to implement file size validation by checking file size before uploading using Javascript and jQuery. This is a… Read More
Given a date in JavaScript DateTime format and the task is to convert this time into MySQL DateTime format using JavaScript.  Approach: Use date.toISOString() function… Read More
The %(modulo) operator in JavaScript gives the remainder obtained by dividing two numbers. There is a difference between the %(modulo) and the remainder operator. When… Read More
JavaScript uses the 24-hour format as the default for DateTime. However, daytime in JavaScript can be displayed at 12-hour AM/PM format using several approaches. We… Read More
Since JavaScript doesn’t provide any inbuilt functions to sort a table we will be required to use native methods to sort a given table. We… Read More
Given an HTML document that is running on a device. The task is to find the width of the working screen device using JavaScript.  Example… Read More
The reason behind this behavior is that JavaScript treats non-empty string as true. First, “0” is converted into its boolean value, by automatic type conversion… Read More
Given an HTML document and the task is to create a JavaScript link and add it to the document using JavaScript. Approach: Create an anchor… Read More
Given an HTML document and the task is to hide the cursor from the given element using CSS and JavaScript.  Approach: First, select the element… Read More
JavaScript doesn’t provide an inbuilt function to rename an object key. So we will look at different approaches to accomplish this in this article.  Keys:… Read More
In this article with the help of javascript  we are generating the alpha-numeric string of specific length using javascript, here are some common method  Approach… Read More
Given a document, the task is to implement functionality when the element loses focus. We have 2 options, one is the onblur event and another… Read More
In this article, we are given a number of milliseconds, The task is to convert them to date using javascript. we’re going to discuss a… Read More
The task is to implement prepend() and append() methods using regular JavaScript. We’re going to discuss a few methods. First few methods to know JavaScript… Read More
In this article, we will see the methods to find the size of a Javascript object. We can get the size of the javascript object… Read More