Zamin ichidagi promiseler JavaScriptda
Zanjir funksiyalari shuningdek promiselarni qaytarishi mumkin.
Bunda ushbu promisening natijasi keyingi
then ga tushadi:
promise.then(
function(result) {
return result + '1';
}
).then(
function(result) {
return new Promise(function(resolve) {
resolve(result + '2'); // ushbu natija keyingi then ga tushadi
});
}
).then(
function(result) {
return result + '3';
}
).then(
function(result) {
console.log(result); // 'string123' ni chiqaradi
}
);
