How do I get my promise value?

When a promise is resolved/rejected, it will call its success/error handler: var promiseB = promiseA. then(function(result) { // do something with result }); The then method also returns a promise: promiseB, which will be resolved/rejected depending on the return value from the success/error handler from promiseA.

Why is a promise important?

Promises are commitments People with strong relationships rank higher in emotional intelligence and are more likely to stay loyal to their commitments. Whether the commitment is to yourself or to someone else, making a promise is a commitment that you will keep your word. It is a commitment that reinforces trust.

What promise mean?

(Entry 1 of 2) 1a : a declaration that one will do or refrain from doing something specified. b : a legally binding declaration that gives the person to whom it is made a right to expect or to claim the performance or forbearance of a specified act.

How do you know if a promise is resolved?


  1. Promise. resolve(‘Success’). then(function(value) { console. log(value); // “Success” }, function(value) { // not called });
  2. var p = Promise. resolve([1,2,3]); p. then(function(v) { console. log(v[0]); // 1 });
  3. var original = Promise. resolve(33); var cast = Promise. resolve(original); cast.

What is difference between callback and promise?

The main difference between callbacks and promises is that with callbacks you tell the executing function what to do when the asynchronous task completes, whereas with promises the executing function returns a special object to you (the promise) and then you tell the promise what to do when the asynchronous task …

How do you resolve a promise?

Promise resolve() method:

  1. If the value is a promise then promise is returned.
  2. If the value has a “then” attached to the promise, then the returned promise will follow that “then” to till the final state.
  3. The promise fulfilled with its value will be returned.

How do you write a tension in a story?

  1. Create a conflict crucial to your characters.
  2. Create engaging characters with opposing goals.
  3. Keep raising the stakes.
  4. Allow tension to ebb and flow.
  5. Keep making the reader ask questions.
  6. Create internal and external conflict.
  7. Create secondary sources of tension.
  8. Make the story unfold in a shorter space of time.

How do authors create tension in a story?

Begin by writing an incomplete description—just enough to tease the reader’s interest. Create an obstacle for your characters, something that distracts them. Then give another hint at what they think they see—but again, don’t explain it entirely. Find ways to drag out the description until your readers finally see it.

How do you handle rejection promises?

We must always add a catch() , otherwise promises will silently fail. In this case, if thePromise is rejected, the execution jumps directly to the catch() method. You can add the catch() method in the middle of two then() methods, but you will not be able to break the chain when something bad happens.

How do you foreshadow a story?

To create foreshadowing in fiction or non-fiction,

  1. Give the reader direct information by mentioning an upcoming event or explaining the plans of the people or characters portrayed in the text:
  2. Place clues in the first few sentences of a story or chapter to indicate the themes that will be important later: