[英]Add JSON object to multidimensional array in javascript
我的目标是将基于某些条件的JSON对象添加到数组中,然后将其用于构造WINJSList。 在使用array.push方法之后,我真的很难访问列表OR数组的元素。 我想访问这些元素,以确保自己做得正确。 任何帮助将不胜感激。 我有以下代码
var names_Array = new Array;
var names_List = new WinJS.Binding.List(names_Array);
if (condition) {
if (condition) {
names_List.push({
name: "Joe Dowling",
image: "image/Joe Dowling.png",
ClientID: "1234"
});
} else if (condition) {
names_List.push({
name: "Esteban Flamenco ",
image: "image/Esteban Flamenco.png",
ClientID: "6666"
});
} else if (condition) {
names_List.push({
name: "Plain Jane ",
image: "image/Plain Jane.png",
ClientID: "0000"
});
}
console.log(names_Array);
console.log(names_Array[0]);
console.log(names_List);
console.log(names_List[0]);
我也尝试过:
var names_Array = new Array;
if (condition) {
if (condition) {
names_Array.push({
name: "Joe Dowling",
image: "image/Joe Dowling.png",
ClientID: "1234"
});
} else if (condition) {
names_Array.push({
name: "Esteban Flamenco ",
image: "image/Esteban Flamenco.png",
ClientID: "6666"
});
} else if (condition) {
names_Array.push({
name: "Plain Jane ",
image: "image/Plain Jane.png",
ClientID: "0000"
});
}
var names_List = new WinJS.Binding.List(names_Array);
在控制台中,我要么未定义,要么[对象对象]
对于WinJS.Binding.List,请参考此处的文档。
代码有几个问题:
list.getAt(index)
该代码应该工作:
var data = [];
data.push({
name: "Joe Dowling",
image: "image/Joe Dowling.png",
ClientID: "1234"
});
data.push({
name: "Esteban Flamenco ",
image: "image/Esteban Flamenco.png",
ClientID: "6666"
});
data.push({
name: "Plain Jane ",
image: "image/Plain Jane.png",
ClientID: "0000"
});
var list = new WinJS.Binding.List(data);
var item = list.getAt(0);
console.info(JSON.stringify(item))
您正在做的事情比应该做的要困难,这是一个基于您正在使用的数据的简单示例:
var data = [];
data.push({
name: "Joe Dowling",
image: "image/Joe Dowling.png",
ClientID: "1234"
});
data.push({
name: "Esteban Flamenco ",
image: "image/Esteban Flamenco.png",
ClientID: "6666"
});
data.push({
name: "Plain Jane ",
image: "image/Plain Jane.png",
ClientID: "0000"
});
<!-- var item = data.getAt(0) -->
console.info(JSON.stringify(data))
console.info(JSON.stringify(data[0]))
var c = data[0];
for(var i in c){
console.log(i); //key
console.log(c[i]); //value
}
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