Change Ajax Post Parameters & Returned Html Based On Alternating Dependant Dropdowns
I have 3 dropdowns containing values that are populated on page load
Solution 1:
This one should work for JS side, you will have to check mapping function for response
$('#make, #model, #version').change(function(ev){
let selected = $(this).val();
let id = ev.target.id;
let data = {};
data[id] = selected;
$.ajax({
url: 'php/dropdown.php',
type: 'POST',
data: data,
success:function(data)
{
let options = ['make', 'model', 'version']
const response = {
make: JSON.parse(data[0].map(make => make.mMake)),
model: JSON.parse(data[1].map(make => make.mModel)),
version: JSON.parse(data[2].map(make => make.mVersion))
}
options.filter(option => option !== id).forEach(option => setDropdown(option, response[option]));
}
});
});
function setDropdown(id, data) {
const id = `#${id}`
$(id).html('');
for (let i = 0; i < data.length; i++) {
if (data[i] != '' && data[i] != null) {
$(id).html($(id).html() + '<option value="' + data[i] + '">' + data[i] + '</option>');
}
}
}
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