Created
September 7, 2016 03:01
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AsyncSum.js
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| function add(getX, getY, cb) { | |
| var x, y; | |
| getX(function(xVal) { | |
| x = xVal; | |
| if (y !== undefined) { | |
| cb(x + y); | |
| } | |
| }); | |
| get(function(yVal) { | |
| y = yVal; | |
| if (x !== undefined) { | |
| cb(x + y); | |
| } | |
| }); | |
| } | |
| add(fetchX, fetchY, function(sum) { | |
| console.log(x + y); | |
| }); |
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