arr_flatten_tostring
HTML
<div id="output"></div>
JavaScript
var indexes = [0,1,2.0,3,4,"poo",6,[7,[8,9],10]]
function arr_flatten_tostring(arr){
var return_str = ""
var arr_count = arr.length
while(arr_count--){
var entry = arr[arr_count]
if(Array.isArray(entry))
entry = arr_flatten_tostring(entry)
return_str += (entry + ((arr_count) ? ', ' : ''))
}
return return_str;
}
document.getElementById("output").innerHTML = arr_flatten_tostring(indexes)