Why we want to use Debounce or Throttling Techniques: 1.To improve performance of a website 2.The way this is done by reducing number of times a particular action is taken Without Debounce or Throttling: lets take an example, we have to auto c...
During an interview interviewer asked me one question, that question is what is the third argument of addEventListener at that time i dont know about third argument then i came to know that third argument handles with event bubbling and capturing s...
let's consider, we have two calculate the age of two different people const obj1={ firstName:"john" lastName:"Doe" yearOfBirth:1999 calcAge=function(){ console.log(`${this.firstName}${this.lastName} age is `${2022-this.yearOfBirth}`) } } in the obo...
Before going into the controlled or uncontrolled components,let's go one step back and understand the Components in react What is Component In React A Component is one of the core building blocks of React. In other words, we can say that every applic...
short circuiting: JS stops the evaluating expressions || operator in statements: - let fruit1="" ||"apple"; - console.log(fruit1); o/p==>apple; let fruit2="banana"||"apple" console.log(fruit2) o/p==>banana So in above example while execut...
