JavaScript/JS14.html at main · WebFusionCode/JavaScript · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Arrow Functions</title>
</head>
<body>
    <div class="container">
        This is arrow functions tutorial.
    </div>
    <script>
        // function greet() {
        //     console.log('Good Morning')
        // }
        greet =() => console.log('Good Morning')
        // NOTE IF THERE IS NO ARGUMENT THERE YOU HAVE TO PA=LACE THE EMPTY BRACKETS

        // let sum1 = (a,b)=> {
        //     return a + b;
        // }

        // Short cut o shortcut
        let sum1 = (a, b) => a + b;

        let half= a => a/2;

        // this is how arrow function works basically it is a short cut to write a function
        greet = ()=> {
            console.log('Good Morning')
        }
        greet()
        setTimeout(() => {
            console.log('We are in set time out')
        }, 5000);

        let obj1={
            greeting:'good morning',
            names: ['harsh','utkarsh','rohit','siddu'],
            speak1() {
                this.names.forEach((student)=>{
                    console.log('hello ',this.greeting  + ' '+  student)

                });
            }
        }

        obj1.speak1()
    </script>
</body>
</html>