-3
我有以下格式的數組,我要檢查是否有任何null或undefined值檢查數組的空值或未定義值?
[{
"categoryName": "A",
"product": [{
"catogoryName": "A",
"price": "10",
"productName": "a"
}, {
"catogoryName": "A",
"price": "100",
"productName": "a2"
}, {
"catogoryName": "A",
"price": "5654",
"productName": "dfhdh"
}, {
"catogoryName": "A",
"price": "572",
"productName": "d"
}]
}, {
"categoryName": "B",
"product": [{
"catogoryName": "B",
"price": "10",
"productName": "b"
}, {
"catogoryName": "B",
"price": "300",
"productName": "b2"
}]
}]
我已經用下面的代碼試過,但它總是給我success:1
消息。
var validateCategoryList = function (categoryList,callback) {
async.eachSeries(categoryList, function (categoryChunk, callback) {
var categoryName = categoryChunk.categoryName;
var productList = categoryChunk.product;
console.log(categoryName);
if(!(categoryName == null || categoryName == undefined)){
async.eachSeries(productList, function (item, callback) {
var productName = item.productName;
var price = item.price;
console.log(productName);
console.log(price);
if((!(productName == null || price == undefined)) || (!(productName == null || price == undefined))){
callback(null);
}
else{
callback({'success':'0','result':{},'errorMessage':'CategoryLIst invalid'})
return;
}
},function (err) {
callback(null);
});
}
else{
callback({'success':'0','result':{},'errorMessage':'CategoryLIst invalid'})
return;
}
},function (err) {
callback({'success':'1'})
});
}
什麼是預期的輸出? – gurvinder372
如果有一個空值,我必須得到一個響應,它顯示它包含一個空值,否則剩下的過程將繼續。 –
你需要在哪裏進行空值檢查? – Sreekanth