2 * Copyright (C) 2015 Apple Inc. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
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11 * documentation and/or other materials provided with the distribution.
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15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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27 #include "JSDOMTokenList.h"
29 #include "JSDOMBinding.h"
30 #include <runtime/Error.h>
31 #include <wtf/Optional.h>
37 JSValue JSDOMTokenList::toggle(ExecState* state)
39 if (UNLIKELY(state->argumentCount() < 1))
40 return state->vm().throwException(state, createNotEnoughArgumentsError(state));
43 String token = state->argument(0).toString(state)->value(state);
44 if (UNLIKELY(state->hadException()))
47 // toggle() needs to be able to distinguish undefined/missing from the false value for the 'force' parameter.
48 Optional<bool> force = state->argument(1).isUndefined() ? Nullopt : Optional<bool>(state->uncheckedArgument(1).toBoolean(state));
49 if (UNLIKELY(state->hadException()))
51 JSValue result = jsBoolean(impl().toggle(token, force, ec));
53 setDOMException(state, ec);