promise

来源： https://stackoverflow.com/questions/48365985/callbacks-promises-async-await-in-javascript-still-confusing

来源： https://stackoverflow.com/questions/50423873/async-await-not-working-properly

来源： https://stackoverflow.com/questions/63400854/void-return-type-not-checked-in-typescript-prevent-floating-promises

来源： https://stackoverflow.com/questions/63400854/void-return-type-not-checked-in-typescript-prevent-floating-promises

来源： https://stackoverflow.com/questions/63205154/is-it-possible-to-resolve-a-promise-by-user-action-or-manually-managed-triggers

来源： https://stackoverflow.com/questions/63205154/is-it-possible-to-resolve-a-promise-by-user-action-or-manually-managed-triggers

来源： https://stackoverflow.com/questions/51391766/how-to-deal-with-returned-object-on-error-in-a-promise-based-business-level-func

来源： https://stackoverflow.com/questions/51391766/how-to-deal-with-returned-object-on-error-in-a-promise-based-business-level-func

问题 This question already has answers here : How do I return the response from an asynchronous call? (39 answers) Closed 3 years ago . Rather than use callbacks, I decided to use promises. I resolve the variable which holds a price and then I call .then to handle it like this. SomeAsyncThing("fifa 17").then(function(value){ console.log("value " + value); }); How can I assign the value to a global variable to use elsewhere in JS? Am I missing something obvious? I've tried defining x = 0; at the

问题 I have following code which I using for handling Magento 2 REST API. return new Promise((resolve, reject) => { fetch(uri, { method, headers, body: JSON.stringify(data) }) .then(response => { return response.json(); }) .then(responseData => { resolve(responseData); }) .catch(error => { reject(error); }); }); And I want to add response status checking, so I've started like this return new Promise((resolve, reject) => { fetch(uri, { method, headers, body: JSON.stringify(data) }) .then(response =