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in Web Technology by (47.6k points)

Is there a better way to engineer a sleep in JavaScript than the following pausecomp function (taken from here)?

function pausecomp(millis) { 

var date = new Date(); 

var curDate = null; 

do { 

curDate = new Date(); 

while(curDate-date < millis);

}

This is not a duplicate of Sleep in JavaScript - a delay between actions; I want a real sleep in the middle of a function, and not a delay before a piece of code executes.

1 Answer

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by (106k points)

Below is updated ES6/JavaScript version of sleep() which is as follows:-

function sleep(ms) { 

return new Promise(resolve => setTimeout(resolve, ms)); 

} async function demo() {

console.log('Taking a break...'); 

await sleep(2000); 

console.log('Two seconds later, showing sleep in a loop...'); 

for (let i = 0; i < 5; i++) {

if (i === 3) 

  await sleep(2000); 

console.log(i); 

 } 

demo();

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