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annotate core-javascript/exercise-1.rst @ 194:2f10061fec29 javascript-exercises

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$ python py/remove_answers.py
author jf3243
date Mon, 21 Nov 2011 17:27:12 +0000
parents 58e4f484903f
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1 Exercise one
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2 ============
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3
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4 Here's some JavaScript code I found somewhere. I've changed the names
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5 of everything to hide the origin of the code. But it's not something
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6 I've made up.
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7
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8 The exercise is
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9
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10 #. Understand and describe what it does.
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11
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12 #. Provide clearer code that does the same thing.
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13
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14 #. Suggest a better way of going about things.
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15
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Jonathan Fine <jfine@pytex.org>
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16 .. literalinclude:: /core-javascript-work/exercise-1.js
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17 :language: javascript
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19
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20 Hints
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21 -----
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22
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23 #. The code creates and calls an anonymous function, a bit like this.
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24
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25 .. code-block:: javascript
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26
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27 js> a = function(x){return x + 1}(2)
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28 3
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29
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30 #. What happens if AAA is an object?
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31
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32 #. What happens if AAA is undefined?
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33
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34 #. For now, ignore the assignment to BBB.fff. What value does AAA
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35 get? (The answer depends the initial value of AAA.)