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How to force JS to do math instead of putting two strings together

I need javascript to add 5 to an integer variable, but instead it treats the variable as a string, so it write out the variable, then add 5 onto the end of the "string". How can I force it to do math instead? ...
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INSERT INTO…SELECT for all MySQL columns

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Do I need to manually close an ifstream?

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Return 0 if field is null in MySQL

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Check if a method exists

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Create a completed Task

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Ruby replace string with captured regex pattern

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grep without showing path/file:line

... Dominic Rodger 87.2k2828 gold badges185185 silver badges205205 bronze badges answered Oct 16 '13 at 14:58 fedorqui 'SO stop harming'fedorqu...
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Hex representation of a color with alpha channel?

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How do I negate a test with regular expressions in a bash script?

Using GNU bash (version 4.0.35(1)-release (x86_64-suse-linux-gnu), I would like to negate a test with Regular Expressions. For example, I would like to conditionally add a path to the PATH variable, if the path is not already there, as in: ...