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This page (revision-10) was last changed on 15-Apr-2016 14:22 by BlakeMcBride

This page was created on 25-Oct-2014 08:46 by BlakeMcBride

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| String | 'Hello'
| String | 'Hello' (prefer this form)
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| NaN | not a number
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"null" is also a constant that means no value
false, null, undefined, NaN, 0, and "" are all treated as "false". Anything else is treated as "true".
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Variables are local to the context in which they are declared. This means if you declare it outside of a function, it is global. If you declare it inside a function it is local to that function. Keep all variables as local as possible.
Variables are either global or local to the function in which they are declared. This means if you declare it outside of a function, it is global. If you declare it inside a function it is local to that function. Keep all variables as local as possible. {} blocks do not establish a variable context / scope in JavaScript.
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Another way to create a function is through a variable syntax. Although you may think "what good is that?", it is extremely important, and it opens the door to some very, very important things. The above function can also be defined as follows:
Another, equivalent, way to create a function is through the variable syntax. Although you may think "what good is that?", it is extremely important, and it opens the door to some very, very important things. The above function can also be defined as follows:
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Version Date Modified Size Author Changes ... Change note
10 15-Apr-2016 14:22 6.239 kB BlakeMcBride to previous
9 18-Dec-2015 08:39 6.226 kB BlakeMcBride to previous | to last
8 04-May-2015 09:37 6.208 kB BlakeMcBride to previous | to last
7 12-Jan-2015 18:30 6.04 kB BlakeMcBride to previous | to last
6 12-Jan-2015 18:28 6.039 kB BlakeMcBride to previous | to last
5 12-Jan-2015 12:33 4.779 kB BlakeMcBride to previous | to last
4 12-Jan-2015 12:27 4.667 kB BlakeMcBride to previous | to last
3 12-Jan-2015 09:41 4.542 kB BlakeMcBride to previous | to last
2 25-Oct-2014 09:02 4.442 kB BlakeMcBride to previous | to last
1 25-Oct-2014 08:46 0.012 kB BlakeMcBride to last
« This page (revision-10) was last changed on 15-Apr-2016 14:22 by BlakeMcBride