How to read and write a file using JavaScript?
There are two ways to read and write a file using JavaScript Using JavaScript extensions Using a web page and Active X objects
How can the style/class of an element be changed?
It can be done in the following way: document.getElementById("myText"). style. fontSize = "20"; or document. getElementById ("myText"). className = "anyclass";
Does JavaScript support automatic type conversion?
Yes, JavaScript does support automatic type conversion. It is the common way of type conversion used by JavaScript developers
How you can submit a form using JavaScript?
To submit a form using JavaScript use document.form.submit(); document.form.submit();
What is === operator?
=== is called a strict equality operator, which returns true when the two operands have the same value without conversion.
What is the difference between ViewState and SessionState?
‘ViewState’ is specific to a page in a session. ‘SessionState’ is specific to user-specific data that can be accessed across all web application pages.
Which symbol is used for comments in Javascript?
// for Single line comments and /* Multi Line Comment */
What is the working of timers in JavaScript?
Timers are used to execute a piece of code at a set time or repeat the code in a given interval. This is done by using the functions setTimeout, setInterval, and clearInterval. The setTimeout(function,…
What is ‘this’ keyword in JavaScript?
‘This’ keyword refers to the object from where it was called.
What is a prompt box?
A prompt box is a box that allows the user to enter input by providing a text box. A label and box will be provided to enter the text or…