async for loop

Solutions on MaxInterview for async for loop by the best coders in the world

showing results for - "async for loop"
Bronte
01 Jun 2017
1(async function loop() {
2    for (let i = 0; i < 10; i++) {
3        await new Promise(resolve => setTimeout(resolve, Math.random() * 1000));
4        console.log(i);
5    }
6})();
Gabriele
06 Jun 2019
1// Series loop
2async (items) => {
3  for (let i = 0; i < items.length; i++) {
4  	
5    // for loop will wait for promise to resolve
6    const result = await db.get(items[i]);
7    console.log(result);
8  }
9}
10
11// Parallel loop
12async (items) => {
13  let promises = [];
14  
15  // all promises will be added to array in order
16  for (let i = 0; i < items.length; i++) {
17    promises.push(db.get(items[i]));
18  }
19  
20  // Promise.all will await all promises in the array to resolve
21  // then it will itself resolve to an array of the results. 
22  // results will be in order of the Promises passed, 
23  // regardless of completion order
24  
25  const results = await Promise.all(promises);
26  console.log(results);
27}
Eleonora
26 Nov 2019
1var j = 10;
2for (var i = 0; i < j; i++) {
3    asynchronousProcess(i, function(cntr) {
4        console.log(cntr);
5    });
6}
7
Hugo
23 Apr 2020
1const mapLoop = async _ => {
2  console.log('Start')
3
4  const numFruits = await fruitsToGet.map(async fruit => {
5    const numFruit = await getNumFruit(fruit)
6    return numFruit
7  })
8
9  console.log(numFruits)
10
11  console.log('End')
12}
13
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