JSFiddle - React, Tailwind, and code Playground
by Venkatesh Dematti
JavaScript
const fruits = ['Apple', 'Banana', 'Orange'];
for (let i= 0; i < fruits.length; i++) {
console.log(fruits[i])
}
fruits.forEach((i)=>{
console.log(i)
});
/* map creates a new array by applying a function to each element.
*/
//Square a number using map function
const numbers = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 14,22,44,55,55,33,11,44,55];
const square = numbers.map((n)=> {
return n * n
});
const toBinary = numbers.map((n)=>{
return n.toString(2);
});
//Filter even numbers from an array
const even = numbers.filter((e)=>{
return e % 2 == 0;
});
//Get numbers greater than 10
const greaterThan10 = numbers.filter((g)=>{
if(g > 10) {
return g;
}
});
console.log(square);
console.log(toBinary);
console.log(even);
console.log(greaterThan10);
// Objects
const user = {
name : "Venkatesh",
age : 34,
sex : "male"
}
console.log(user?.name);
console.log(user?.sex);