I'm struggeling with returning the result of a Promise to the next .then function. I'm sure I'm blind and it is really small issue, but actually I can't see the reason why in the parameter of the next .then function…
I have an external asynchronous script needs to finish executing before the page loads. To my understanding (from this thread), the default behaviour before the page starts to load is that it finishes rendering the head tag's contents, and if…
Based on this accepted answer regarding micro-task queue checkpoints in JS and looking up the concept more, I have come to understand the following: Micro-task queue checkpoints happen at these points in the event loop: After a script execution: When…
In this code, callback function of .then is executed before the console.log("still going on...") but normally callback function of .then shall be posted to micro stack first before coming to call stack. What is happening differently here and why? async…
Ok - so I've written this and it works how I want it to, I just don't understand how it works / why it's working the way it does. Can someone please explain what I'm missing here. Here is the…
is it possible to retrieve the code from a Promise Object? Suppose I set up a Promise like this: let myPromise = new Promise(function(success, error) { ... } Can I somehow retrieve the anonymous function or the location of the…
Here are the challenge directions: Given an asynchronous function fn and a time t in milliseconds, return a new time limited version of the input function. fn takes arguments provided to the time limited function. The time limited function should…
the following code results into the expected output function toppings_choice() { return new Promise((resolve, reject) => { setTimeout(() => { resolve(console.log("which topping would you love?")); reject("not working"); }, 3000); }); } async function kitchen() { console.log("A"); console.log("B"); console.log("C"); await toppings_choice();…
the 2 promises are: loading the next image Load_Img_p. a waiting animation before moving to the next image Timing_Anim_p. It also has a visual animation encouraging you to wait while waiting for the next image to fully load Hourglass_f. the…
Here is the code: function sleep(ms:number) { return new Promise((resolve:any,reject:any) => setTimeout(resolve,ms)) } async function errorFunc(): Promise<void> { await sleep(2000) console.log("error throw") throw new Error("critical error"); } let promises: Promise<void>[] = [] for(let i = 0; i < 1; i++)…