Add nums and maths content

And Update basic folder

Author: ankitsingh015

01_Basic/03_conversionOperation.js

@@ -1,29 +1,30 @@
 let score= "true"
 
-console.log(typeof score)
-console.log(typeof(score))
+console.log(typeof score)       //output =>string
+console.log(typeof(score))      //output =>string
 
 let valueInNumber = Number(score)
-console.log(typeof(valueInNumber))
-console.log((valueInNumber))
+console.log(typeof(valueInNumber))      //output =>number
+console.log((valueInNumber))            //output =>NaN
 
 //  "33" => 33
 //  "33abc" => NaN
 //  true=>1 : false => 0
 
 let isLoggedIn = ""
+console.log(isLoggedIn)     // output => 
 
 let booleanIsLoggedIn =Boolean(isLoggedIn)
-console.log(booleanIsLoggedIn)
+console.log(booleanIsLoggedIn)      //output => false
 
 // 1=>true 0=>false
 // "" => flase
 // "hitesh" => true
 
 let someNumber =33
 let stringNumber = String(someNumber)
-console.log(stringNumber)
-console.log(typeof stringNumber)
+console.log(stringNumber)               //output =>33
+console.log(typeof stringNumber)        //output =>string
 
 
 // ************ Operation *********************
@@ -32,7 +33,7 @@ let value=3
 let negValue=-value
 console.log(negValue)
 
-console.log(2+2);
+console.log(2+2);      
 console.log(2-2);
 console.log(2*2);
 console.log(2**3);
@@ -43,7 +44,7 @@ let str1 ="hello "
 let str2 ="ankit"
 
 let str3=str1+str2
-console.log(str3);
+console.log(str3);      //output =>hello ankit
 
 console.log("1"+2);     //output =>12
 console.log(1+"2");     //output =>12
@@ -61,8 +62,8 @@ num1=num2=num3=2+2
 
 let gameCounter=100
 ++gameCounter               //First increase The ValueThen Use The Variable Value
-console.log(gameCounter);
+console.log(gameCounter);       //output =>101
 gameCounter++;              //First use The Variable Value Then Increase the value
-console.log(gameCounter);   
+console.log(gameCounter);       //output => 102
 
 

01_Basic/05_String.js

@@ -1,36 +1,39 @@
 const name = "ankit"
 const repoCount = 1
 
-console.log(name + repoCount + " Value"); //Not Prefer
+console.log(name + repoCount + " Value"); //Not Prefer      =>ankit1 Value
 
 console.log(`Hello my name is ${name} and my repo count is ${repoCount}`)
+                // output =>Hello my name is ankit and my repo count is 1
+
+
 
 const gameName =new String('hanank-ankit-singh')
 
-console.log(gameName[0]);
-console.log(gameName.__proto__);
+console.log(gameName[0]);               // output =>h
+console.log(gameName.__proto__);        // output =>{}
 
 
-console.log(gameName.length);           // output =>
-console.log(gameName.toUpperCase());    // output =>
-console.log(gameName.charAt(2));        // output =>
-console.log(gameName.indexOf('n'));     // output =>
+console.log(gameName.length);           // output =>18
+console.log(gameName.toUpperCase());    // output =>HANANK-ANKIT-SINGH
+console.log(gameName.charAt(2));        // output =>n
+console.log(gameName.indexOf('n'));     // output =>2
 
 const newString = gameName.substring(0,4)
-console.log(newString)
+console.log(newString)                      //output =>hana
 
-const anotherString = gameName.slice(-1,3)
-console.log(anotherString)
+const anotherString = gameName.slice(-1,-5)
+console.log(anotherString)                  //output =>
 
 const newStringOne = "      hitesh        "
-console.log(newStringOne);
-console.log(newStringOne.trim());
+console.log(newStringOne);                      //output =>      hitesh        
+console.log(newStringOne.trim());               //output =>hitesh
 
 const url ="https://ankit.com/ankit%20singh"
 
-console.log(url.replace('%20','-'))
+console.log(url.replace('%20','-'))             //output =>https://ankit.com/ankit-singh
 
-console.log(url.includes('ankit'))
+console.log(url.includes('ankit'))              //output =>true
 
-console.log(gameName.split('-'))
+console.log(gameName.split('-'))                //output =>[ 'hanank', 'ankit', 'singh' ]
 

01_Basic/06_nums_and_Maths.js

@@ -0,0 +1,38 @@
+const score =400
+console.log(score)                   //output => 400
+
+const balance = new Number(100)
+console.log(balance);               //output => [Number: 100]
+
+console.log(balance.toString().length)  //output => 3
+console.log(balance.toFixed(2))         //output => 100.00
+
+const otherNmuber = 23.8966
+
+console.log(otherNmuber.toPrecision(3))     //output => 23.9
+
+const hundreds = 100000
+console.log(hundreds.toLocaleString('en-IN'))
+
+console.log(Number.MAX_VALUE)
+
+
+
+// ******************MATHS***************************************
+
+
+console.log(Math);
+console.log(Math.abs(-4));
+console.log(Math.round(4.3));
+console.log(Math.ceil(4.3));
+console.log(Math.floor(4.9));
+console.log(Math.min(4,8,9,9,6,8))
+
+console.log(Math.random())
+console.log((Math.random()*10)+1)
+
+const min=10
+const max=20
+
+console.log(Math.floor(Math.random()*(max-min +1))+min)
+