Created
March 23, 2017 21:27
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Pure javascript addition vs Lo-Dash add method
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| // With "+" operator | |
| 1 + undefined | |
| // NaN | |
| undefined + undefined | |
| // NaN | |
| "1" + "2" | |
| // "12" | |
| 1 + "2" | |
| // "12" | |
| 1 + {} | |
| // 1[object Object] | |
| 1 + [2, 3] | |
| // "12, 3" | |
| // With Lo-Dash | |
| _.add(1, undefined) | |
| // 1 | |
| _.add(undefined, undefined) | |
| // 0 | |
| _.add("1", "2") | |
| // 3 | |
| _.add(1, "2") | |
| // 3 | |
| _.add(1, {}) | |
| // NaN | |
| _.add(1, [2, 3]) | |
| // NaN |
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