Javascript Callbacks | Mr Yenagandula

Callbacks In Detail

• Normally in javascript functions called as call back.
• A function accepting parameter as function is also called callback.

Steps:

• Create function in javascript file and pass as argument in another function.

Example (1)

  function task(taskStatus) {
    console.log('task()')
    console.log('task-- started');
    console.log('task-- completed');
    taskStatus('task completed');
    }

    task((status) => {
        console.log('callback',status);
    })