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i wrote the routine below to retrieve city based on selected country for my codeigniter application.
$(document).ready(function() {
$("select#cbo_country").change(function() {
$.post("http://localhost/main/index.php/city/get_data_by_country", {
int_country_id : $(this).val()
},
function(data) {
// some code here
},'json');
})
});
as you can see, i hard-coded the url (http://localhost/main/index.php/city/get_data_by_country) and i know it's a bad practice but i can't help it.
is there a nice clean way to not hard-code the url? i used to use codeigniter's base_url(), but since i move the routine to a js file, i am no longer able to use the function.
691
Taken (mostly) from my answer on How to get relative path in Javascript?.
You've got two options:
Build a configuration/ preferences object in JavaScript which contains all your environment specific settings:
var config = {
base: "<?php echo base_url(); ?>",
someOtherPref: 4
};
and then prefix the AJAX url with config.base.
You have to place the config object in a place which is parsed by PHP; the standard choice is inside the <head> HTML element. Don't worry its a small config object, whose contents can change on each page, so it's perfectly warrented to stick it in there.
Use the <base /> HTML tag to set the URL prefix for all relative URL's. This affects all relative URL's: image's, links etc.
Personally, I'd go for option 1. You'll most likely find that config object coming in handy elsewhere.
51
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