foreach asynchronous javascript code example
Example 1: foreach async typescript
for (const file of files) {
const contents = await fs.readFile(file, 'utf8');
console.log(contents);
}
Example 2: async foreach
async function asyncForEach(array, callback) {
for (let index = 0; index < array.length; index++) {
await callback(array[index], index, array);
}
}
asyncForEach([1, 2, 3], async (num) => {
await waitFor(50);
console.log(num);
})
Example 3: foreach await js
async function printFiles () {
const files = await getFilePaths();
for (const file of files) {
const contents = await fs.readFile(file, 'utf8');
console.log(contents);
}
}
Example 4: typescript foreach async await
export async function asyncForEach<T>(array: Array<T>, callback: (item: T, index: number) => void) {
for (let index = 0; index < array.length; index++) {
await callback(array[index], index);
}
}
await asyncForEach(receipts, async (eachItem) => {
await ...
})