Craig Maslowski craigmaslowski
yoavniran
/ ultimate-ut-cheat-sheet.md
Last active
April 13, 2024 16:19
The Ultimate Unit Testing Cheat-sheet For Mocha, Chai, Sinon, and Jest
polotek
/ underscore_deep_extend.js
Created
January 1, 2011 20:38
A version of underscore extend method that does deep copy with own properties
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| _.extend = function(target) { | |
| var i = 1, length = arguments.length, source; | |
| for ( ; i < length; i++ ) { | |
| // Only deal with defined values | |
| if ( (source = arguments[i]) !== undefined ) { | |
| Object.getOwnPropertyNames(source).forEach(function(k){ | |
| var d = Object.getOwnPropertyDescriptor(source, k) || {value:source[k]}; | |
| if (d.get) { | |
| target.__defineGetter__(k, d.get); | |
| if (d.set) target.__defineSetter__(k, d.set); |