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A basic introduction to javascript, covering fundamental concepts such as variables, data types, and the use of the console for output. It also includes practical exercises to reinforce learning. Suitable for beginners learning javascript and provides a solid foundation for further exploration.
Typology: Study notes
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use console in any browser or just open one of your projects and use that
the code is not permanent, we can use the up & down arrow to bring back old code
JS is a programming language. We use it to give instructions to the computer.
Output
we'll use the chrome developer tools console to write our code
but not for long terms as afterwards we will start to use js file
like we used for css
It is a free & popular code editor by Microsoft
Variables are containers for data
memory
radius
Variable names are case sensitive; “a” & “A” is different.
Only letters, digits, underscore( _ ) and $ is allowed. (not even space)
Only a letter, underscore( _ ) or $ should be 1st character.
Reserved words cannot be variable names.
Primitive Types : Number, String, Boolean, Undefined, Null, BigInt, Symbol
Number
Follow
String
Boolean
Apna Col
lege
Qs2. Create a const object called “profile” to store information shown in the picture.
