Created
July 21, 2016 05:28
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var is = Array.isArray; | |
var print = function print(func) { | |
var str; | |
var key; | |
str = '[' + typeof func + ']'; | |
str += ' { \n'; | |
for (key in func) { | |
str += ' ' + key + ': ' + String(func[key]) + '\n'; | |
} | |
str += ' length: ' + func.length + '\n'; | |
return str + '}'; | |
}; | |
var get = function getProto(obj) { | |
return obj.__proto__; | |
}; | |
var log = console.log; | |
var obj = get(Object); | |
var arr = get(Array); | |
log('PROTOTYPES\n'); | |
log('Object.prototype => ', print(obj)); | |
log('Array.prototype => ', print(arr)); | |
log(''); | |
log('(obj === arr) => ', obj === arr); | |
log(''); | |
log('ARRAYS\n'); | |
arr = new Array(5); | |
arr.diffKey = 'value'; | |
arr[10] = null; | |
arr[5] = function example(){}; | |
arr[6] = /regex/g; | |
arr.length = 15; | |
log('isArray(arr) => ', is(arr)); | |
log('arr => ', print(arr)); | |
log('slice(arr) => ', print(arr.slice(0))); |
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