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JavaScript: Difference between revisions
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=== examples === | === examples === | ||
Things to watch out for in automatic type conversion. | |||
<syntaxhighlight lang="javascript"> | <syntaxhighlight lang="javascript"> | ||
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NaN == NaN; // false use isNaN() function instead | NaN == NaN; // false use isNaN() function instead | ||
Number("5") * 5; // explicitly convert "5" to number and perform operation | |||
</syntaxhighlight> | </syntaxhighlight> | ||
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</syntaxhighlight> | </syntaxhighlight> | ||
Automatic type conversion. To disallow automatic type conversion, use === or !== operators. | |||
<syntaxhighlight lang="javascript"> | <syntaxhighlight lang="javascript"> | ||