JavaScript - JSON
作者:互联网
JSON 数据
可以将JSON对象直接赋值给指定的变量
let data = {
"status": "success",
"type": "new",
"list1": [{
"name": "投标保函申请",
"x": 300,
"y": 100,
"value": 58249,
"userName": "",
"comment": "",
"itemStyle": {"borderColor": "#24a689"}
}],
"list2": [{"target": 58249, "source": null, "lineStyle": {"color": "#24a689"}}]
};
JSON对象没有length属性,如果JSON对象的子对象是个数组,那么这个数组是有长度的。
var json1 = {"abc": [{"name": "txt1"}, {"name": "txt2"}]};
for (var i = 0; i < json1.abc.length; i++) {
alert(json1.abc[i].name);
}
// 遍历JSON
var json2 = {"name1": "txt1", "name2": "txt2"};
for (var js2 in json2) {
alert(js2 + "=" + json2[js2]);
}
// 计算JSON长度
function getJsonLength(jsonData) {
var jsonLength = 0;
for (var item in jsonData) {
jsonLength++;
}
return jsonLength;
}
标签:abc,name,JavaScript,JSON,json2,json1,var 来源: https://www.cnblogs.com/duchaoqun/p/14356130.html