cookie

同key以数组形式存储

<script type="text/javascript">
    var w = function(k, v) {
        k = k.toLowerCase();
        var value = r(k);
        if (value) {
            var JValue = JSON.parse(value);
            var JV = JSON.parse(v);
            JValue[JValue.length] = JV;
            window.LS.set(k, JSON.stringify(JValue));
        } else {
            var JV = JSON.parse(v);
            var JValue = []
            JValue[JValue.length] = JV;
            window.LS.set(k, JSON.stringify(JValue));
        }
    };

    var r = function(key) {
        key = key.toLowerCase();
        return window.LS.get(key);
    };
</script>

window.LS
window.sessionStorage