php - Populate the Phone Number field with the dialing code from the selected country -

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hi i'd please.

i'm having contact form build on bootstrap , part of code i'd focus on

<div class="form-group">     <label for="country">* country in ?</label>     <select name="country" class="form-control"> // list of countries here - comes database         <option value="uk">united kingdom</option>         <option value="gre">greece</option>         <option value="ger">gemany</option>         <option value="fra">france</option>         <option value="ita">italy</option>      </select> </div>  <div class="form-group">     <label for="phone">* what’s phone number ?</label>     <input type="text" name="phone" value="" class="form-control" /> </div>

what i'd when select country dropdown populate phone field dialing code of selected country. example if pick united kingdom select menu phone field should have +44 code @ beginning , fill out phone, on server side should have this

$_post['phone'] => +44 123456

if understand , can add data-attributes options inside select, this:

html

<div class="form-group">     <label for="country">* country in ?</label>     <select name="country" class="form-control">// list of countries here - comes database         <option data-code="+44" value="uk">united kingdom</option>         <option data-code="+30" value="gre">greece</option>         <option data-code="+49" value="ger">gemany</option>         <option data-code="+33" value="fra">france</option>         <option data-code="+39" value="ita">italy</option>     </select> </div> <div class="form-group">     <label for="phone">* what’s phone number ?</label>     <input type="text" name="phone" value="" class="form-control" /> </div>

javascript

$(document).ready(function () {     $("[name='country']").on("change", function () {         $("[name='phone']").val($(this).find("option:selected").data("code"));     }); });

fiddle


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