每当我查看作为响应返回的 Json 数据时,我都会将其视为一个大字符串。 我需要做什么才能将数据视为树?
const request = new XMLHttpRequest;
request.addEventListener('readystatechange', () => {
//if request state is valid (4)
if(request.readyState === 4){
console.log(request, request.responseText);
}
});
//create request with the 'GET'.
request.open('GET', 'https://jsonplaceholder.typicode.com/todos/');
request.send();
首先,您需要解析数据:
const result = json.parse(request.responseText);
然后你就可以正确记录 json 对象了:
console.log(result, null, 2);