javascript - returning multiple values from functions -

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i have js file (below) each function returns 2 results (step1 , step2). need put these results format like...

"mix " + (step1 producttype) + " " + (step1 peroxide) + ". " + (step1 timing)

using " + (step2 producttype) + " , mix " + (step2 tonecalc) + ", " + (step2 peroxide) + ". " + (step2 timing)

what best way these results formats above?
know how single value, not quite sure on multiple functions wrapped in function.

thanks

function doubleprocess(type) {     function producttype() {     var step1;     var step2;     if (type == "light") {         step1 = "lightner";         step2 = "demi-color";     } else {         step1 = "demi-color";         step2 = "demi-color";     }     return step1, step2;    }      function tonecalc() {     var step1;     var step2;      if (type == "light") {         step1 = "light gold";     } else if (type == "dark") {         step1 = "80% gold 20% red"     } else {         step1 = "another tone";     }      step2 = "neutral";      return step1, step2;    }     function peroxide() {     var step1;     var step2;      if (type == "light") {         step1 == "20v/6% peroxide";     } else if (type == "dark") {         step1 = "something else";     } else {         step1 = "do something.";     }     step2 = "do else.";     return step1, step2;    }     function level() {     var step1 = "";     var step2;      if (type == "dark") {         step1 = "do something.";     } else {         step1 = "do nothing.";     };      step2 = "do something.";      return step1, step2;    }     function timing() {     var step1;     var step2;     if (type == "light") {         step1 == "do something.";         step2 = "do something.";     } else if (type == "dark") {         step1 = "do something.";         step2 = "do something.";     } else {         step1 = "do something.";         step2 = "do something.";     }      return step1, step2;    }  }

you cannot return multiple variables function. return object.

function peroxide() {     var step1;     var step2;      if (type == "light") {         step1 == "20v/6% peroxide";     } else if (type == "dark") {         step1 = "something else";     } else {         step1 = "do something.";     }     step2 = "do else.";     var rtn = new object();     rtn.step1 = step1;     rtn.step2 = step2;     return rtn;    }

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