operator [] method
override
Returns the object at the given index
in the list
or throws a RangeError if index
is out of bounds.
Implementation
SourceBuffer operator [](int index) {
if (JS("bool", "# >>> 0 !== # || # >= #", index, index, index, length))
throw new RangeError.index(index, this);
return JS("SourceBuffer", "#[#]", this, index);
}