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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta name="underbar: contains" content="underbar: contains"> | |
| <meta charset="utf-8"> | |
| <title>JS Bin</title> | |
| </head> | |
| <body> | |
| <script id="jsbin-javascript"> | |
| var nums = [1, 2, 3]; | |
| var person = { | |
| name: 'John' | |
| }; | |
| function contains(element, collection) { | |
| if(Array.isArray(collection)){ | |
| var index = collection.indexOf(element); | |
| if (index !== -1) { | |
| return true; | |
| } else { | |
| return false; | |
| } | |
| } else { | |
| return collection ? hasOwnProperty.call(collection, element) : false; | |
| } | |
| } | |
| console.log(contains(3, nums)); | |
| console.log(contains(4, nums)); | |
| console.log(contains('name', person)); | |
| console.log(contains('wat', person)); | |
| </script> | |
| <script id="jsbin-source-javascript" type="text/javascript">var nums = [1, 2, 3]; | |
| var person = { | |
| name: 'John' | |
| }; | |
| function contains(element, collection) { | |
| if(Array.isArray(collection)){ | |
| var index = collection.indexOf(element); | |
| if (index !== -1) { | |
| return true; | |
| } else { | |
| return false; | |
| } | |
| } else { | |
| return collection ? hasOwnProperty.call(collection, element) : false; | |
| } | |
| } | |
| console.log(contains(3, nums)); | |
| console.log(contains(4, nums)); | |
| console.log(contains('name', person)); | |
| console.log(contains('wat', person));</script></body> | |
| </html> |
This file contains hidden or 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
| var nums = [1, 2, 3]; | |
| var person = { | |
| name: 'John' | |
| }; | |
| function contains(element, collection) { | |
| if(Array.isArray(collection)){ | |
| var index = collection.indexOf(element); | |
| if (index !== -1) { | |
| return true; | |
| } else { | |
| return false; | |
| } | |
| } else { | |
| return collection ? hasOwnProperty.call(collection, element) : false; | |
| } | |
| } | |
| console.log(contains(3, nums)); | |
| console.log(contains(4, nums)); | |
| console.log(contains('name', person)); | |
| console.log(contains('wat', person)); |
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