Code Inspection: Comma expression
Reports comma expressions. Comma expressions are often a sign of overly clever code, and may lead to subtle bugs. Comma expressions in the initializer or update section of a for loop are ignored by this inspection.
In the following example, a potentially confusing one-line comma expression is rewritten using three separate statements:
return a++, b = myObject.someValue;
a++;
b = myObject.someValue;
return b;
See Comma operator (MDN) for details.
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Last modified: 16 July 2021