PHP Interview Questions and Answers
What is PHP ? PHP is the general-purpose programming language used to design a website or web application. It is server-side scripting language embedded with… Read More »
Category Archives: Web technologies Questions
How to echo HTML in PHP ?
While making a web application with PHP, we often need to print or echo few results in form of HTML. We can do this task… Read More »
How to select all elements without a given class using jQuery ?
All elements that do not match the given selector can be selected using jQuery( “:not(selector)” ). For example, the first example selects all the <li>… Read More »
How to get the <div> height using JavaScript ?
Method 1: Using the offsetHeight property: The offsetHeight property of an element is a read-only property and used to return the height of an element… Read More »
How to detect HTML 5 is supported or not in the browser ?
HTML 5 is the latest standard of HTML that includes many new changes and features. HTML 5 support can be detected by using three approaches:… Read More »
Introduction to Web Scraping
Web scraping is a technique to fetch data from websites. While surfing on the web, many websites don’t allow the user to save data for… Read More »
Difference between break and continue in PHP
The break and continue both are used to skip the iteration of a loop. These keywords are helpful in controlling the flow of the program.… Read More »
JavaScript Interview Questions and Answers | Set-2
We have already discussed some questions in JavaScript Interview Questions and Answers | Set-1 . Below are some more related questions: What are all the… Read More »
Why error “$ is not defined” occurred in jQuery ?
One of the most common errors faced by jQuery developers is the ‘$ is not defined’ error. At first, it may seem like a small… Read More »
How to detect HTML 5 <canvas> is not supported by JavaScript ?
Method 1: Create a canvas element and use getContext() method: The getContext() method of a canvas object is used to return the drawing context of… Read More »
How to dynamically load JS inside JS ?
Most of the time, we use static import to include all the exports in our script at the beginning. The import happens every time the… Read More »
How to create auto-resize textarea using JavaScript/jQuery ?
Create a textarea and the task is to automatically resize it when we type or paste the content in it. It can be achieved by… Read More »
How to set node.js console font color ?
The chalk module is can be used to customize node console with colored text. By using it, one can change console look using features of… Read More »
How to detect and change the content/style of a div using jQuery ?
The changes to the html/text of a div can be detected using jQuery on() method. The on() is used to attach one or more event… Read More »
How to move H2 Beneath H1 by using only float property ?
Description: In Bootstrap 4, H2 tag can be added beneath or below H1 tag. Whereas in case of using float the H2 tag can’t be… Read More »
