Question

How to use setTimeout() function in JavaScript

Answer 1

function f(value) {
  console.log(value);
}

for (let i = 0; i < 7; i++) {
	let delay = i * 1000;
  setTimeout(f.bind(this, i), delay);
}

  
  
    
    
/*
run:
    
0
1
2
3
4
5
6
    
*/

 

70+ SQL courses for beginners and professionals

Answer 2

function f(value) {
  console.log(value);
}

for (let i = 0; i < 5; i++) {
	let delay = i * 1000;
  setTimeout(f, delay, i);
}

  
  
    
    
/*
run:
    
0
1
2
3
4
    
*/

 

70+ SQL courses for beginners and professionals

Answer 3

function f(value, s) {
  console.log(s + " : " + value);
}

for (let i = 0; i < 4; i++) {
	let delay = i * 1000;
  setTimeout(f, delay, i, "i");
}

  
  
    
    
/*
run:
    
"i : 0"
"i : 1"
"i : 2"
"i : 3"
    
*/

 

70+ SQL courses for beginners and professionals