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								---
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								id: 56bbb991ad1ed5201cd392d3
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								title: Delete Properties from a JavaScript Object
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								challengeType: 1
							 
						 
					
						
							
								
									
										
										
										
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								videoUrl: ''
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								localeTitle: Eliminar propiedades de un objeto de JavaScript
							 
						 
					
						
							
								
									
										
										
										
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								---
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								## Description
 
							 
						 
					
						
							
								
									
										
										
										
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								< section  id = "description" >  También podemos eliminar propiedades de objetos como este: < code > delete ourDog.bark;< / code >  < / section > 
							 
						 
					
						
							
								
									
										
										
										
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								## Instructions
 
							 
						 
					
						
							
								
									
										
										
										
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								< section  id = "instructions" >  Eliminar la propiedad < code > " tails" < / code >  de < code > myDog< / code >  . Puede usar la notación de punto o corchete. < / section > 
							 
						 
					
						
							
								
									
										
										
										
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								## Tests
 
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								< section  id = 'tests' > 
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								```yml
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								tests:
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								  -  text: Eliminar la propiedad < code > " tails" </ code >  de < code > myDog</ code >  .
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								    testString: 'assert(typeof myDog === "object" & &  myDog.tails === undefined, "Delete the property < code > "tails"< / code >  from < code > myDog< / code > .");'
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								  -  text: No modifique la configuración de < code > myDog</ code > 
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								    testString: 'assert(code.match(/"tails": 1/g).length > 1, "Do not modify the < code > myDog< / code >  setup");'
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								```
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								< / section > 
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								## Challenge Seed
 
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								< section  id = 'challengeSeed' > 
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								< div  id = 'js-seed' > 
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								```js
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								// Example
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								var ourDog = {
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								  "name": "Camper",
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								  "legs": 4,
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								  "tails": 1,
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								  "friends": ["everything!"],
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								  "bark": "bow-wow"
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								};
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								delete ourDog.bark;
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								// Setup
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								var myDog = {
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								  "name": "Happy Coder",
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								  "legs": 4,
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								  "tails": 1,
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								  "friends": ["freeCodeCamp Campers"],
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								  "bark": "woof"
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								};
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								// Only change code below this line.
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								```
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								< / div > 
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								### After Test
 
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								< div  id = 'js-teardown' > 
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								```js
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								console.info('after the test');
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								```
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								< / div > 
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								< / section > 
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								## Solution
 
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								< section  id = 'solution' > 
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								```js
							 
						 
					
						
							
								
									
										
										
										
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								// solution required
							 
						 
					
						
							
								
									
										
										
										
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								```
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								< / section >