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False Expressions

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False Expressions

The following table shows what expressions evaluate to logical FALSE in different programming languages

Expression >false/null/!null/undef./invalid/0"""0"" ""false""no"
Language vFALSENULL!NULLemptyNaN/INF
VBScriptFALSENULLNULLFALSE-FALSEtruetruetruetruetrue
JavaScriptFALSEFALSEtrueFALSEFALSEFALSEFALSEtruetruetruetrue
PHPFALSEFALSEtruetruetrueFALSEFALSEFALSEtruetruetrue
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