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JS Bin// source http://jsbin.com/muqigog
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <meta name="viewport" content="width=device-width"> | |
| <title>JS Bin</title> | |
| </head> | |
| <body> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/expect/1.20.2/expect.min.js"></script> | |
| <script src="https://wzrd.in/standalone/deep-freeze@latest"></script> | |
| <script id="jsbin-javascript"> | |
| console.clear() | |
| const toggleTodo = todo => { | |
| // Spread operator on object is avaible in ES7 | |
| return { | |
| ...todo, | |
| completed: !todo.completed | |
| } | |
| // return Object.assign({}, todo, { | |
| // completed: !todo.completed | |
| // }) | |
| } | |
| const testToggleTodo = () => { | |
| const todoBefore = { | |
| id: 0, | |
| text: 'Learn Redux', | |
| completed: false | |
| } | |
| const todoAfter = { | |
| id: 0, | |
| text: 'Learn Redux', | |
| completed: true | |
| } | |
| deepFreeze(todoBefore) | |
| expect( | |
| toggleTodo(todoBefore) | |
| ).toEqual(todoAfter) | |
| } | |
| testToggleTodo() | |
| console.log('All test passed.') | |
| </script> | |
| <script id="jsbin-source-javascript" type="text/javascript">console.clear() | |
| const toggleTodo = todo => { | |
| // Spread operator on object is avaible in ES7 | |
| return { | |
| ...todo, | |
| completed: !todo.completed | |
| } | |
| // return Object.assign({}, todo, { | |
| // completed: !todo.completed | |
| // }) | |
| } | |
| const testToggleTodo = () => { | |
| const todoBefore = { | |
| id: 0, | |
| text: 'Learn Redux', | |
| completed: false | |
| } | |
| const todoAfter = { | |
| id: 0, | |
| text: 'Learn Redux', | |
| completed: true | |
| } | |
| deepFreeze(todoBefore) | |
| expect( | |
| toggleTodo(todoBefore) | |
| ).toEqual(todoAfter) | |
| } | |
| testToggleTodo() | |
| console.log('All test passed.')</script></body> | |
| </html> |
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
| console.clear() | |
| const toggleTodo = todo => { | |
| // Spread operator on object is avaible in ES7 | |
| return { | |
| ...todo, | |
| completed: !todo.completed | |
| } | |
| // return Object.assign({}, todo, { | |
| // completed: !todo.completed | |
| // }) | |
| } | |
| const testToggleTodo = () => { | |
| const todoBefore = { | |
| id: 0, | |
| text: 'Learn Redux', | |
| completed: false | |
| } | |
| const todoAfter = { | |
| id: 0, | |
| text: 'Learn Redux', | |
| completed: true | |
| } | |
| deepFreeze(todoBefore) | |
| expect( | |
| toggleTodo(todoBefore) | |
| ).toEqual(todoAfter) | |
| } | |
| testToggleTodo() | |
| console.log('All test passed.') |
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