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Gabriel Prates gabsprates

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gabsprates / watjs_firefox.js
Created October 19, 2016 02:25
{} + {} // NaN
({} + {}) // “[object Object][object Object]”
eval(‘{} + {}’) // NaN
eval(‘({} + {})’) // “[object Object][object Object]”
@gabsprates
gabsprates / watjs_v8.js
Created October 19, 2016 02:24
{} + {} // “[object Object][object Object]”
({} + {}) // “[object Object][object Object]”
eval(‘{} + {}’) // NaN
eval(‘({} + {})’) // “[object Object][object Object]”
@gabsprates
gabsprates / watjs_object_toprimitive.js
Last active October 19, 2016 02:02
var foo = new Object() // {}
foo.toString() // ‘[object Object]’
// Even to object
// that aren't empty
var bar = { lang: ‘js’, y: 94 }
foo.toString() // ‘[object Object]’
@gabsprates
gabsprates / watjs_array_toprimitive.js
Last active October 19, 2016 00:21
// The `join()` of an empty Array
// always will be an empty string
var foo = new Array() // []
foo.join() // “”
foo.toString() // “”
// If the Array have elements,
// we have an cool string.
var bar = [ 1, 2, 3, 4, 5 ]
@gabsprates
gabsprates / watjs_rules.js
Last active October 15, 2016 20:12
+Infinity + (+Infinity) // Infinity
-Infinity + (-Infinity) // -Infinity
4 + 0 // 4
0 - 4 // -4
6 + 4 // 10
5 - 6 // -1
(-0) + 0 // 0
@gabsprates
gabsprates / watjs_plus.js
Last active October 15, 2016 20:12
‘Java’ + ‘Script’ // “JavaScript”
‘JavaScript ‘ + 6 // “JavaScript 6”
6 + ‘ JavaScript’ // “6 JavaScript”
2015 + 6 // 2021
@gabsprates
gabsprates / mg.svg
Created July 21, 2016 00:37
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