jQuery HTML select element with editable input field

A few days ago I had a small task which invloved building a simple non-scientific calculator, some fields with changeable values. The thing was it had some select tags that the user could edit the value. I’m sure there are plugins out there to do this job but I didnt wanted extra unnecessary code , just something something quick and simple. Here is how I did it, maybe it will help you.

html file

<!DOCTYPE html>
        <meta charset="utf-8">
        <link rel="stylesheet" href="reset.css">
        <link rel="stylesheet" href="style.css">
        <script src="jquery-1.8.3.min.js"></script>
           <option selected="selected" value="100">100</option>
           <option value="200">200</option>
           <option value="300">300</option>
           <option value="400">400</option>
        <input type="text" name="" value="">
        <script src="jquery.calculator.js"></script>


select{position:absolute; width:160px; height:23px; left:0; top:0; border:0;}
input{position: absolute; width: 140px;height:17px; left:0; top:0;}
p{position: relative; margin-top:50px;}


var $input = $('input');
var $select = $('select');


function modify(){

function output(){
 $('p').text('value: ' + $input.val());

$input.on('click', function(){
}).on('blur', function(){


This is what you should get: jsfiddle

Try selecting a number from the list or click on the text box to add your own number.
Ofcourse this could be done more elegant but I wanted to show an idea of how could be done.

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