js for loop
var i; //defines i
for (i = 0; i < 5; i++) { //starts loop
console.log("The Number Is: " + i); //What ever you want
}; //ends loop
//Or:
console.log("The Number Is: " + 0);
console.log("The Number Is: " + 1);
console.log("The Number Is: " + 2);
console.log("The Number Is: " + 3);
console.log("The Number Is: " + 4);
//They do the same thing!
//Hope I helped!async for loop
(async function loop() {
for (let i = 0; i < 10; i++) {
await new Promise(resolve => setTimeout(resolve, Math.random() * 1000));
console.log(i);
}
})();loop with await in js
const dummyfunction = async () => {
for (item of items) {
// Until promise returns,
// The loop waits here!
await turtle();
}
}async await in forloops
// Series loop
async (items) => {
for (let i = 0; i < items.length; i++) {
// for loop will wait for promise to resolve
const result = await db.get(items[i]);
console.log(result);
}
}
// Parallel loop
async (items) => {
let promises = [];
// all promises will be added to array in order
for (let i = 0; i < items.length; i++) {
promises.push(db.get(items[i]));
}
// Promise.all will await all promises in the array to resolve
// then it will itself resolve to an array of the results.
// results will be in order of the Promises passed,
// regardless of completion order
const results = await Promise.all(promises);
console.log(results);
}wait for loop to finish javascript
async function processArray(array) {
// map array to promises
const promises = array.map(delayedLog);
// wait until all promises are resolved
await Promise.all(promises);
console.log('Done!');
}loop async javascript
const mapLoop = async _ => {
console.log('Start')
const numFruits = await fruitsToGet.map(async fruit => {
const numFruit = await getNumFruit(fruit)
return numFruit
})
console.log(numFruits)
console.log('End')
}Copyright © 2021 Codeinu
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