Question

How to create delay in TypeScript

Answer 1

function delay(sec: number) {
    let msec: number = sec * 1000;
    let start: number = new Date().getTime();
    
    for (let i: number = 0; i < 1e9; i++)  {
        if ((new Date().getTime() - start) > msec) {
            break;
        }
    }
}
 
console.log("abc");
 
delay(3);
 
console.log("xyz");
  
  
  
  
/*
run:
    
"abc" 
"xyz" 
    
*/

 

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Answer 2

const delay: number = 3;
  
setTimeout(function() {
  console.log("abc");
}, delay * 1000); // 3 sec
  
  
  
/*
run:
    
"abc" 
    
*/

 

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Answer 3

function f() {
    console.log("abc");
}
 
setTimeout(f, 4 * 1000); // 4 sec
 
   
   
   
/*
run:
     
"abc" 
 
*/

 

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