Q11. How do you change the style of a HTML element?
You can change inline style or classname of a HTML element using javascript DOM-manipulation 1. **Using style property:** You can modify inline style using style property...
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Q12. What are the DOM methods available for constraint validation?
The below DOM methods are available for constraint validation on an invalid input, 1. `checkValidity()`: It returns true if an input element contains valid data. 2. `setC...
Q13. What are the available constraint validation DOM properties?
Below are the list of some of the constraint validation DOM properties available, 1. `validity`: It provides a list of boolean properties related to the validity of an in...
Q14. How to get the value from get parameters?
The `new URL()` object accepts the url string and `searchParams` property of this object can be used to access the get parameters. ```javascript let urlString = "http://w...
Q15. How do you load CSS and JS files dynamically?
You can create both link and script elements in the DOM and append them as child to head tag. Let's create a function to add script and style resources as below, ```javas...
Q16. What are the different methods to find HTML elements in DOM?
If you want to access any element in an HTML page, you need to start with accessing the document object. Later you can use any of the below methods to find the HTML eleme...
Q17. What is jQuery?
jQuery is a popular cross-browser JavaScript library that provides Document Object Model (DOM) traversal, event handling, animations and AJAX interactions by minimizing t...
Q18. How do you get the status of a checkbox?
You can apply the `checked` property on the selected checkbox in the DOM. If the value is `true` it means the checkbox is checked, otherwise it is unchecked. For example,...
Q19. What are the examples of built-in higher order functions?
There are several built-in higher order functions exists on arrays, strings, DOM and promise methods in javascript. These higher order functions provides significant leve...
Q20. What are the event phases of a browser?
There are 3 phases in the lifecycle of an event propagation in JavaScript, 1. **Capturing phase:** This phase goes down gradually from the top of the DOM tree to the targ...