Update Basic Folder

Author: ankitsingh015

01_Basic/01_Variable.js

@@ -1,12 +1,12 @@
 const accountId = 144553        //Value can't be change
-let accountEmail="ankitkumarbkj39@gmail.com"
+let accountEmail="e-mail@gmail.com"
 var accountPassword="ankit"     //Prefer Not To Use
 accountCity= "Jaipur"
 let accountState  
 
 // accountId =2  Not Allowed
 
-accountEmail="[email protected]"
+accountEmail="[email protected]"
 accountPassword="singh"
 accountCity="Bihar"
 

01_Basic/03_conversionOperation.js

@@ -1,11 +1,11 @@
 let score= "true"
 
-// console.log(typeof score)
-// console.log(typeof(score))
+console.log(typeof score)
+console.log(typeof(score))
 
 let valueInNumber = Number(score)
-// console.log(typeof(valueInNumber))
-// console.log((valueInNumber))
+console.log(typeof(valueInNumber))
+console.log((valueInNumber))
 
 //  "33" => 33
 //  "33abc" => NaN
@@ -14,7 +14,7 @@ let valueInNumber = Number(score)
 let isLoggedIn = ""
 
 let booleanIsLoggedIn =Boolean(isLoggedIn)
-// console.log(booleanIsLoggedIn)
+console.log(booleanIsLoggedIn)
 
 // 1=>true 0=>false
 // "" => flase
@@ -23,38 +23,38 @@ let booleanIsLoggedIn =Boolean(isLoggedIn)
 let someNumber =33
 
 let stringNumber = String(someNumber)
-// console.log(stringNumber)
-// console.log(typeof stringNumber)
+console.log(stringNumber)
+console.log(typeof stringNumber)
 
 
 // ************ Operation *********************
 
 let value=3
 let negValue=-value
-// console.log(negValue)
+console.log(negValue)
 
-// console.log(2+2);
-// console.log(2-2);
-// console.log(2*2);
-// console.log(2**3);
-// console.log(2/3);
-// console.log(2%3);  gives Remainder
+console.log(2+2);
+console.log(2-2);
+console.log(2*2);
+console.log(2**3);
+console.log(2/3);
+console.log(2%3);  //gives Remainder
 
 let str1 ="hello "
 let str2 ="ankit"
 
 let str3=str1+str2
-// console.log(str3);
+console.log(str3);
 
-// console.log("1"+2);     //output =>12
-// console.log(1+"2");     //output =>12
-// console.log("1"+2+2);   //output =>122
-// console.log(1+2+"2");   //output =>32
+console.log("1"+2);     //output =>12
+console.log(1+"2");     //output =>12
+console.log("1"+2+2);   //output =>122
+console.log(1+2+"2");   //output =>32
 
 
 
-// console.log(+true);
-// console.log(+"");
+console.log(+true);
+console.log(+"");
 
 let num1,num2,num3
 

01_Basic/04_Comparison.js

@@ -1,16 +1,16 @@
-// console.log(2>1)
-// console.log(2 >=1)
-// console.log(2<1)
-// console.log(2 ==1);
-// console.log(2!=1);
+console.log(2>1)
+console.log(2 >=1)
+console.log(2<1)
+console.log(2 ==1);
+console.log(2!=1);
 
 
-// console.log("2" > 1);
-// console.log("02" > 1);
+console.log("2" > 1);
+console.log("02" > 1);
 
-// console.log(null >0)        //false 
-// console.log(null == 0)      //false
-// console.log(null >= 0)      //true
+console.log(null >0)        //false 
+console.log(null == 0)      //false
+console.log(null >= 0)      //true
 
 // The reason is that an equality check == and comparisons > < >= <= work differently.
 // Comparions convert null to a number, treating it as 0
@@ -20,6 +20,6 @@ console.log(undefined ==0)      //flase
 console.log(undefined >0)       //false
 console.log(undefined <0)       //false
 
-// ===  =>strict check
+// ===  => strict check
 
 console.log("2" === 2)

01_Basic/dataype-summary.js

@@ -12,7 +12,7 @@ const scoreValue=100.3
 
 const isLoggedIn =false
 const outsideTemp= null
-let userEmail
+let userEmail="email"
 
 const id =Symbol('123')
 const anotherId=Symbol('123')
@@ -40,9 +40,24 @@ const bigNumber = 3411541515151994n
     }
 
 
-console.log(typeof myobj)
+console.log(typeof myfunction)
 
+/*
 
+Typeof use for different datatype and its  output
+1.Number    => number
+2.String    => string
+3.Boolean   => boolean
+4.Null      => object
+5.undefined => undefined
+6.symbol    => symbol
+7.bigint    => bigint
+8.array     => object
+9.object    => object
+10.function => function
+
+
+*/
 
 //Dynmaic or Static Type Language ?