js_za

 //convert json to array
    function json2array(json){
        var temp = [];
        var keys = Object.keys(json);
        keys.forEach(function(key){
            temp.push([key,json[key]]);
        });
        return temp;
    }

    //判断是否有子节点
    function hasleaf(dataArray,id){
        var arr = [];
        for(var i= 0,a;a=dataArray[i++];){
            if(id == a[0]){
                return true;
                break;
            }
//            console.log(a[0]);
        }
        return false;

    }