javascript - using radio value in JS function to retrieve JSON data -


previously received great solutions little project i'm doing. i'm looking scale more need on hurdle. working site: http://oceanmeasure.info

previous posts were:

html select value passed javascript var (then used fetch json)

retrieve json data based on user selection/prompt

current not working code: https://jsfiddle.net/zt074c01/

the main process wanting learn how switch out drop down box ocean value radio buttons instead because 2 options. above added fiddle link below add main.js file because thats think error is.

    (function(){ //------set variables  var userocean = getradioval( document.getelementbyid('dataform'), 'oceanval' ); var userfish  = document.getelementbyid("fishval"); var buttoninfo  = document.getelementbyid("getinfo"); var output  = document.getelementbyid("oceanoutput"); var btnlicensey = document.getelementbyid('licenseyes'); var btnlicensen = document.getelementbyid('licenseno'); var licenseoutput  = document.getelementbyid("licenseoutput");  //------start function on click buttoninfo.addeventlistener('click', function() { var ocean = userocean.options[userocean.checked].value; var kind = userfish.options[userfish.selectedindex].value; var fishimg = jsonobject.ocean_measure[ocean]['fish'][kind].image; output.innerhtml = "<h2>fish on!</h2><div id=\"fishinfo\">"+     "<img src='" +fishimg+ "' />" +     "<p>fish:  "+jsonobject.ocean_measure[ocean]['fish'][kind].name+"</p>"+     "<p>length:  "+jsonobject.ocean_measure[ocean]['fish'][kind].length+"</p>"+     "<p>closed:  "+jsonobject.ocean_measure[ocean]['fish'][kind].closed+"</p>"+     "<p>limit:  "+jsonobject.ocean_measure[ocean]['fish'][kind].limit+"</p>"+     "<p>remarks:  "+jsonobject.ocean_measure[ocean]['fish'][kind].remarks+"</p>";     console.log(     "<img src='" +fishimg+ "' />" +     "\n\nfish:  "+jsonobject.ocean_measure[ocean]['fish'][kind].name+     "\n\nlength:  "+jsonobject.ocean_measure[ocean]['fish'][kind].length+     "\n\nclosed:  "+jsonobject.ocean_measure[ocean]['fish'][kind].closed+     "\n\nlimit:  "+jsonobject.ocean_measure[ocean]['fish'][kind].limit+     "\n\nremarks:  "+jsonobject.ocean_measure[ocean]['fish'][kind].remarks+ "</div>" ); }); //------end info function //------start license function  btnlicensey.addeventlistener('click', function(){ licenseoutput.innerhtml = "<h3>lets fish!</h3>"+ "<p>you're set go ahead , select coast you'll fishing, , target species.</p>" }); //------end yes license function btnlicensen.addeventlistener('click', function(){ licenseoutput.innerhtml = "<h3>uh oh!</h3>"+ "<p>let's make sure taken care of before hit open waters, remember piers &amp charters require pay access , 1 day fishing license may included in access, sure call , find out ahead of time.</p>"+ "<h4>get license</h4>"+"<p>if you'd rather not risk go ahead , visit <a href=http://myfwc.com/license/recreational/saltwater-fishing/ target=_blank>here</a> purchase best license you!</p>" }); //------end no license function  //--------radio function  function getradioval(form, name) {     var val;     // list of radio buttons specified name     var radios = form.elements[name];      // loop through list of radio buttons     (var i=0, len=radios.length; i<len; i++) {         if ( radios[i].checked ) { // radio checked?             val = radios[i].value; // if so, hold value in val             break; // , break out of loop         }     }     return val; // return value of checked radio or undefined if none checked }   })();

html

<input type="radio" name="radioelement" id="radio1" value="option-a" checked> <input type="radio" name="radioelement" id="radio2" value="opption-b">

js

$('input[name="radioelement"].checked').val();

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