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Co-Authored-By: Erik Krogh Kristensen <erik-krogh@github.com>
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Asger F
2020-01-03 14:15:52 +00:00
committed by GitHub
parent 30a8769dad
commit 3c601fce74
1 changed files with 4 additions and 4 deletions
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8
javascript/ql/src/Expressions/MissingAwait.qhelp
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@@ -5,16 +5,16 @@
<overview> <overview>
<p> <p>
In JavaScript, <code>async</code> functions always return a promise object. In JavaScript, <code>async</code> functions always return a promise object.
To obtain the underlying value of the promise, the <code>await</code. operator or a call to <code>then</code. should be used. To obtain the underlying value of the promise, the <code>await</code> operator or a call to <code>then</code> should be used.
Attempting to use a Promise object instead of its underlying value can lead to expected behavior. Attempting to use a Promise object instead of its underlying value can lead to unexpected behavior.
</p> </p>
</overview> </overview>
<recommendation> <recommendation>
<p> <p>
Use the <code>await</code. operator to get the value contained in the promise. Use the <code>await</code> operator to get the value contained in the promise.
Alternatively, call <code>then</code. on the promise and use the value passed to the callback. Alternatively, call <code>then</code> on the promise and use the value passed to the callback.
</p> </p>
</recommendation> </recommendation>