javascript how to get a script to wait code example

Example 1: js timer wait before functoin

//code before the pause
setTimeout(function(){
    //do what you need here
}, 2000);

Example 2: javascript sleep function

sleep = milliseconds => new Promise(resolve => setTimeout(resolve, milliseconds));

//        V  Must add this async keyword
sayHi = async () => {
  	// V Must include await
	await sleep(1000); // Sleep 1000 milliseconds (1 second)
  	console.log('Hi');
  	// Rest of code...
}