JQuery template: how to access newly created option items in jquery template -

i have following json array need iterate through , create html option items using jquery template. problem have data might have duplicate values within each group. shown below acan repeated in both groups.

"groups":[{//group 1         "names" : {             "a" : "name1",             "b" : "name2",         }     }, { //group 2         "names" : {             "a" : "name1"         }     }//... ] 

this how trying add options using jquery template.

<select id="select1" >     {{each(groupindex, group) responsedata.groups}}         {{each(index, name) group}}             <option value="${name}" >${index}</option>         {{/each}}     {{/each}}    </select> 

but add a twice option.

is there way access select element using id select1 , check if option value a added using jquery template?

thank you.

better approach preprocess json array unique values , use them in jquery template.