Study JavaScript

addOptionInSelect.js

<script>
var buildSelection = function () {
        $.ajax({
            url: '/path/to/ajax/options/data',
            dataType: 'json',
            type: 'POST',
            success: function(data) {
                data = data.data;
                var selection = document.getElementById('selection');
                $('#selection').empty();
                var defaultOpt = document.createElement('option')
                defaultOpt.value = -1;
                defaultOpt.innerHTML = "请选择";
                selection.appendChild(defaultOpt);
                for (var index=0; index< data.length; ++index) {
                    var optionData = data[index];
                    var opt = document.createElement('option');
                    opt.value = optionData.value;
                    opt.innerHTML = optionData.hint;
                    selection.appendChild(opt);
                }
            }})
    }
</script>