{{fbdoc item="title" value="Operator () (Array index)"}}---- Returns a reference to an element in an array {{fbdoc item="syntax"}}## [[KeyPgDeclare|declare]] [[KeyPgOperator|operator]] **()** ( //lhs//() [[KeyPgAs|as]] //T//, [[KeyPgByref|byref]] //rhs// [[KeyPgAs|as]] [[KeyPgInteger|integer]], ... ) [[KeyPgByrefFunction|byref]] [[KeyPgAs|as]] //T// ## {{fbdoc item="usage"}}## //result// = //lhs// **(** //rhs// [, ...] **)** or //lhs// **(** //rhs// [, ...] **)** = //value// ## {{fbdoc item="param"}} ##//lhs//## An array. ##//rhs//## An index of an element in the array. ##//T//## Any data type. {{fbdoc item="desc"}} This operator returns a reference to an element in an array. For multidimensional arrays, multiple indexes must be specified (up to the total number of dimensions of the array). For any dimension ##//d//## in array ##//a//##, any index less than ##[[KeyPgLbound|Lbound]](//a//, //d//)## or greater than ##[[KeyPgUbound|Ubound]](//a//, //d//)## will result in a runtime error. {{fbdoc item="ex"}} {{fbdoc item="filename" value="examples/manual/operator/arrayindex.bas"}}%%(freebasic) dim array(0 to 4) as integer = { 0, 1, 2, 3, 4 } for index as integer = 0 to 4 print array(index); next print %% will produce the output: %% 0 1 2 3 4 %% {{fbdoc item="diff"}} - None {{fbdoc item="see"}} - ##{{fbdoc item="keyword" value="KeyPgOpPtrIndex|Operator [] (Pointer index)"}}## {{fbdoc item="back" value="CatPgOpIndexing|Indexing Operators"}}{{fbdoc item="back" value="CatPgOperators|Operators"}}