JavaScript Notes(Basics)
setTimeout() , clearTimeout() , setInterval() , clearInterval()
setTimeout and clearTimeout : --------------------------------------- html file : <! DO…
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JavaScript Notes(Basics)
Events in Java Script (Imp.)
What is an Event? HTML event is a thing that happens to the HTML element. Eg : >Page l…
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JavaScript Notes(Basics)
Math Object in Java Script
Math : Math object helps us to perform a mathematical operation // console.log(Math.PI);…
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Java Script Advance
fetch() vs async await
index.html : <! DOCTYPE html > < html lang = "en" > < head &…
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JavaScript Notes(Basics)
String in Java Script
String : >Anything written in quotes is String. >You can use single or double quote…
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JavaScript Notes(Basics)
reduce() in Java script
Reduce () : >Flatten the array - convert 3d or 2d array into a single-dimension array &…
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JavaScript Notes(Basics)
Map() vs filter() vs forEach()
let food = [ 'mango' , 'rice' , 'pepper' , 'pear' ]; map…
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JavaScript Notes(Basics)
CRUD operation in Array - Java Script
push() : ---------- >add one or more element at the end of the array >return new len…
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JavaScript Notes(Basics)
Array in Java script
indexOf() : ---------- >forward search >return first index number of the element, if …
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JavaScript Notes(Basics)
For loop in Java Script
var arr = [ "himanshu" , "shekhar" , "vinod" , "har…
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JavaScript Notes(Basics)
factorial in java script
function fac ( n ) { let fact = 1 ; if ( n == 1 || n == 0 ){ …
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JavaScript Notes(Basics)
Difference between console.log and stdout
process.stdout.write continuously prints the information as the data being retrieved and…
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