Declarar variable fuera de la función ...
var oneVariable; function setVariable()( oneVariable = "Variable set from within a function!"; ) function getVariable()( alert(oneVariable); // Outputs "Variable set from within a function!" )
O ... adjuntarlo al objeto de la ventana
function setValue() ( window.myValue = "test"; ) function getValue() ( alert(window.myValue); // "test" (assuming setValue has run) )