var GetFirstElement = function (array, property, value, startIndex, endIndex){ 
if (startIndex === undefined) { 
startIndex = 0; 
} 
if (endIndex === undefined) { 
endIndex = _AN_Read_length('length', array); 
} 
for (var i = startIndex; 
i < endIndex; i++ ){ 
var child = array[i]; 
if (!property || child[property] === value) { 
return child; 
} 
} 
return null ; 
} 
; 
module.exports = GetFirstElement;