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LibJS: Let Array.prototype.join() ignore additional arguments

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I.e.

array.join("x", "y", "z") === array.join("x")

rather than

array.join("x", "y", "z") === array.join()
This commit is contained in:
Linus Groh 2020-05-22 14:01:35 +01:00 • committed by Andreas Kling
parent 9fc4ad2a52
commit 9f7a6e116a
2 changed files with 2 additions and 1 deletions
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2
Libraries/LibJS/Runtime/ArrayPrototype.cpp
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@ -239,7 +239,7 @@ Value ArrayPrototype::join(Interpreter& interpreter)
return {};
String separator = ",";
if (interpreter.argument_count() == 1) {
if (interpreter.argument_count()) {
separator = interpreter.argument(0).to_string(interpreter);
if (interpreter.exception())
return {};