52 lines
874 B
Plaintext
52 lines
874 B
Plaintext
Unlike strongly typed languages, JavaScript does not enforce a return type on a function. This means that different paths through a function can return different types of values, which can be very confusing to the user and significantly harder to maintain.
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== Noncompliant Code Example
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----
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function foo(a) { // Noncompliant
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if (a === 1) {
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return true;
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}
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return 3;
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}
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----
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== Compliant Solution
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----
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function foo(a) {
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if (a === 1) {
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return true;
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}
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return false;
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}
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----
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== Exceptions
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Functions returning ``++this++`` are ignored.
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----
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function foo() {
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// ...
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return this;
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}
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----
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Functions returning expressions having type ``++any++`` are ignored.
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ifdef::env-github,rspecator-view[]
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'''
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== Implementation Specification
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(visible only on this page)
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include::message.adoc[]
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include::highlighting.adoc[]
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endif::env-github,rspecator-view[]
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