JavaScript is a client side language used to create dynamic web they can interact with user using different types of behaviors/events.

Use of JavaScript

DHT : Dynamic Pages
Error Generating
Form Validation
BMI, EMI, Calculator making form JavaScript

\n = for new line
\t = for space/tab space
- = subtract sign
manipulation = modify or change effects

[ ] = array

( ) = printing input and output

{ } = for function


on click
on mouse down
on mouse over
on mouse up
on mouse move
on mouse out
on blur
on focus
on paste
on key up
on key down

Arithmetic operators

+ =  addition
- = subtract
/ = division
* = multiply
% = reminder
++ = increment

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