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| let squared = 2 ** 2 // value of squared is 4 | |
| , cubed = 2 ** 3 // value of cubed is 8 |
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| let squared = 2, | |
| , cubed = 3 | |
| squared **= 2 // same as: squared = squared * squared | |
| cubed **= 3 // same as: cubed = cubed * cubed * cubed |
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| let data = { "King" : "Jon Snow", | |
| "Queen" : "Daenerys Targaryen", | |
| "Hand" : "Tyrion Lannister"} | |
| console.log(Object.entries(data)) | |
| > [["King","Jon Snow"],["Queen","Daenerys Targaryen"],["Hand","Tyrion Lannister"]] |
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| let data = { "King" : "Jon Snow", | |
| "Queen" : "Daenerys Targaryen", | |
| "Hand" : "Tyrion Lannister"} | |
| console.log(Object.values(data)) | |
| > ["Jon Snow","Daenerys Targaryen","Tyrion Lannister"] |
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| > 'a'.padStart(5, 'xy') | |
| 'xyxya' | |
| > 'a'.padStart(4, 'xy') | |
| 'xyxa' | |
| > '1234'.padStart(2, '#') | |
| '1234' | |
| > '###'.padStart(10, '0123456789') | |
| '0123456###' | |
| > 'a'.padStart(10) | |
| ' a' |
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| > 'a'.padEnd(5, 'xy') | |
| 'axyxy' | |
| > 'a'.padEnd(4, 'xy') | |
| 'axyx' | |
| > '1234'.padEnd(2, '#') | |
| '1234' | |
| > '###'.padEnd(10, '0123456789') | |
| '###0123456' | |
| > 'a'.padEnd(10) | |
| 'a ' |
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| const obj = { | |
| id: 123, | |
| get bar() { return 'abc' }, | |
| }; | |
| console.log(Object.getOwnPropertyDescriptors(obj)); | |
| > { id: | |
| { value: 123, | |
| writable: true, | |
| enumerable: true, |
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| // All the code snippets below are acceptable | |
| let obj = { | |
| first: 'Naruto', | |
| last: 'Uzumaki', | |
| } | |
| let array = [ | |
| 'red', | |
| 'green', |
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| // Current syntax | |
| function fetchJson(url) { | |
| return fetch(url) | |
| .then(request => request.text()) | |
| .then(text => { | |
| return JSON.parse(text); | |
| }) | |
| .catch(error => { | |
| console.log(`ERROR: ${error.stack}`); | |
| }); |
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| import numbers | |
| import six | |
| import numpy | |
| import matplotlib.collections | |
| from matplotlib import pyplot | |
| # using example from | |
| # http://nbviewer.ipython.org/github/dpsanders/matplotlib-examples/blob/master/colorline.ipynb |
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