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Tag Archives: JavaScript-Questions

The task is to call a function that returns another function with the help of JavaScript is called a Currying function, a function with numerous… Read More
Given an HTML document, The task is to position an <div> at specific coordinates on the web page using JavaScript. we’re going to discuss a… Read More
Given a hexCode, The task is to know whether the given hexCode is valid or not using JavaScript. we’re going to discuss a few techniques. … Read More
Undefined comes into the picture when any variable is defined already but not has been assigned any value. Undefined is not a keyword. A function… Read More
The task is to differentiate between the indexOf() and findIndex() functions of JavaScript. we’re going to discuss both approaches. JavaScript indexOf() function: This function is… Read More
UNIX timestamps can be converted to time using 2 approaches:  Method 1: Using the toUTCString() method. As JavaScript works in milliseconds, it is necessary to… Read More
A number can be formatted to prepend a 0 to single-digit numbers using 3 approaches:  Method 1: Using padStart() method. The padStart() method is used… Read More
JavaScript parseInt() function The parseInt() function is used to parse a string and convert it to an integer of a specified radix. It takes two… Read More
Given a number and the task is to convert the number from decimal to hex. This can be done by using toString() method. It takes… Read More
In this article, we will append HTML code to a div using Javascript. In order to do this, we will first select the div element… Read More
Given a JavaScript Object and the task is to serialize it into a URL query parameters using JavaScript.  Approach 1: Declare an object and store… Read More
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