javascriptSession/callback1.html at master · bhadresh-goswami/javascriptSession · GitHub

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<script>

    // function task1(){
    //   console.log("this is task1!");
    // }
    // function task2(){
    //   console.log("this is task2!");
    // }

    // task1();
    // task2();


    //using time interval


    // function task3(){
    //   setTimeout( function(){
    //     console.log("task 3 running!");
    //   }, 500 );
    // }
    // function task4(){
    //   console.log("task 4 running!");
    // }

    // task3();
    // task4();


    //now create a callback for this
    function taskRun(task, callback) {
        callback();
        console.log(`${task} from outter is running!`);
    }

    taskRun('task 1', function () {

        taskRun('task 3',function(){

            console.log(`task 4 is running!`);

        });

        console.log(`task 2 is running!`);

    });


</script>