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Example of the process flow to get a value from a JavaScript function that returns a Promise
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <script> | |
| function action () { | |
| console.log('ACTION') | |
| return 'VALUE' | |
| } | |
| function getData () { | |
| console.log('getData >>>') | |
| let p = new Promise((resolve, reject) => { | |
| window.setTimeout( | |
| () => { | |
| console.log('TIMEOUT') | |
| resolve(action()) | |
| }, | |
| 1000) | |
| }) | |
| console.log('<<< getData') | |
| return p | |
| } | |
| getData().then(val => { | |
| console.log('RESULT: ' + val) | |
| }) | |
| </script> |
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