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harrisonmalone/prototypes-example.js

Created January 14, 2019 01:11
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prototypes-example.js
Boolean.prototype.toString = function() {
return String(this.valueOf())
}
Number.prototype.toString = function() {
return String(this.valueOf())
}
Array.prototype.toString = function() {
const arr = this.valueOf()
return '[' + arr.join() + ']'
}
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