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| //ES5 | |
| function add (x, y, z) { | |
| if (y === undefined) | |
| y = 7; | |
| if (z === undefined) | |
| z = 42; | |
| return x + y + z; | |
| }; | |
| console.log(add1(1) === 50); | |
| //ES6 | |
| function add1 (x, y = 7, z = 42) { | |
| return x + y + z; | |
| } | |
| console.log(add1(1) === 50); |
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