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Category Archives: Quizzes

Given an HTML document containing an <iframe> element and the task is to change the width of the <iframe> element to 100% with the help… Read More
In HTML forms, we often required validation of different types. Validate existing email, validate password length, validate confirm password, validate to allow only integer inputs,… Read More
Angular 4: Angular 4 was launched 5 years after the official release of AngularJS. Angular 4 is a JavaScript-based open-source framework for building web applications… Read More
In HTML forms, we often required validation of different types. Validate existing email, validate password length, validate confirm password, validate to allow only integer inputs,… Read More
In this article, we will change the input border after filling the text on the input text field. The onchange event attribute works when the… Read More
Node.js is the JavaScript runtime environment which is based on Google’s V8 Engine i.e. with the help of Node.js we can run the JavaScript outside… Read More
There is no common way to connect to SQL Server database from JavaScript client, every browser has it’s own API and packages to connect to… Read More
What is optgroup label? It is an HTML tag that is used to group the options given in <select> tag. This combines the options in… Read More
Suppose we have given an HTML document and the task is to hide an HTML element in mobile view with the help of jQuery. Approach:… Read More
The exception too much recursion or maximum call stack size exceeded occurs when there are many function calls, or even if a function is missing… Read More
The task is to show how to group-data with an Angular-filter. Steps involved: 1. You can install angular-filter using these four different methods: Clone &… Read More
Lose focus event can occur mainly through focusout() and blur() method. Both of them lose focus when the method gets triggered. These events differ slightly… Read More
Prerequisites – Two Phase Locking Protocol and Types of Two Phase Locking Protocols 1. Conservative 2-PL : It is also known as Static 2-PL. This… Read More
A QR code generator is an application that stores any required textual data into a QR code which can be later scanned with a QR… Read More
In Angular 2, the best way to deal with complex forms is by using Reactive forms. Below we are going to elaborate on how to… Read More

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