jsonReset: function(obj){
let arr1 = [], arr2 = [], arr3 = [];
for(var i=0; i<obj.length; i++){
if('1' == obj[i]['position']){ arr1.push(obj[i]) }
if('2' == obj[i]['position']){ arr2.push(obj[i]) }
if('3' == obj[i]['position']){ arr3.push(obj[i]) }
}
this.setData({
banner1: arr1,
banner2: arr2,
banner3: arr3
});
console.log('//** --nobita-- **//');
console.dir(arr1);
console.dir(arr2);
console.dir(arr3);
console.log('//** --nobita-- **//');
}