Arrays are collections of items. you can consider them as variables which can store more than one value. you can store different data types in arrays. they are similar to lists in python. arrays are stored inside square brackets, each value separated...
Strings are collections of characters. they are created to store and manipulate text. strings are stored inside of quotes. you can also store symbols and numbers inside strings. a string is a data type. Example: let jessePinkman= "yeah bitch!!" //dou...
functions are used to automate repetitive tasks. functions can only be executed when someone invokes it (calls it). you can use functions anywhere inside of code just like variables. Syntax: functions are declared by using the function keyword, follo...
If you want to print "Hello World!" 1000 times how will you do it? maybe you'll type console.log("Hello World!") 1000 times or maybe you'll copy-paste it. but in javascript, there is an easy way to do this, which is loops. loops can execute blocks of...
Sometimes you have to take actions based on the user's input or maybe you have to run a block of code based on conditions, in that case, we can use conditional statements. There are 4 types of conditional statements : if statement it is used to execu...
Operators are the symbols which are used to perform operations on operands. let a = 99 let b = 1 console.log(a + b ) Here variables a and b are operands. the addition sign (+) is an arithmetic operator and (=) equals to sign is the assignment oper...
Data can be in any form like a number, text (string), symbol, boolean value (true and false) and a lot of other formats, but in javascript, they are categorised into 7 different primitive data types and one non-primitive data type. Primitive data typ...
Variables are used to store values and data types. They work like containers to store something. Javascript is a dynamically typed language, that’s why Variables can have any data type. you don’t need to declare the data type before initialising the ...