Tech Bird

Why SPACE BAR key is so big? The space bar key is so big compared to other key because  ✓ The fast typing is done by looking on the screen without seeing the keyboard. It makes the key easier to identify the key.  ✓And also, long key indicates the 'space' Which is the actual use of that button. Thank you, Come Back to Learn More About Tech Stuff with Tech Bird Have A Nice Day !   :)  

Operators An operator performs some operation on single or multiple operands (data value) and produces a result. For example 1 + 2, where + sign is an operator and 1 is left operand and 2 is right operand. + operator adds two numeric values and produces a result which is 3 in this case.   Syntax: < Left operand > operator < right operand >   < Left operand > operator Example 1:  Arithmetic Operators Arithmetic operators are used to perform mathematical operations between numeric operands. Source code: var x = 10, y = 10 console.log("Addition Operator",x + y) console.log("Subtraction Operator",x - y) console.log("Multiplication Operator",x * y) console.log("Division Operator",x / y) console.log("Modulus Operator",x % y) console.log("Increment Operator",x ++ ) console.log("Decrement Operator",y -- )   Output: Addition Operator 20 Subtraction Operator 0 Mult...

Variables and Declarations What is Variable? Variable are the names which hold the data.   Noteworthy: ·           Variable stores a single data value that can be changed later. ·           Variables can be defined using  var  keyword. Variables defined without  var  keyword become global variables. ·           Variables must be initialized before using. ·           Multiple variables can be defined in a single line. e.g.  var  one = 1, two = 2, three = "three"; ·           Variables in JavaScript are loosely-typed variables. It can store value of any data type throughout its life time. Syntax: var  < variable-name >; var  < variable-name > = < value >; Source code: var  ...

Let’s Start with the Hello World in Node JS   How to Install Node.js: ·           Direct to the Link -  Download Node.js ·           Download the Latest version and Install it in the System.  After Installing the Node.js We start directly   ·           Open Notepad or any Code Editor tools of your choice. ·           Here am using Notepad++. ·           Let’s start to write code to print hello world in the console. Type the below line in the code editor. console.log (‘Hello World..!’) ·           Save the file with . js  extension o     Example: filename.js ·           Now open the command prompt and route/direct to the...