
[英]How do I find all permutations from a series of arrays that act as rows and columns in javascript?
[英]Windows Gadget: How do i get json from a webpage and convert to a series of arrays with javascript?
是否可以从网页获取JSON以用于Windows桌面小工具并通过javascript将其转换为数组?
一个例子就是优秀的。
现在回答很晚,但对其他人来说可能有用。 我正在开发Windows小工具,不能使用eval(字符串)的JSON.parse(字符串)将从服务器返回的字符串转换为json它根本不起作用,但我发现了一些奇怪的方法来做到这一点。
var json = (eval("[" + eval(json string) + "]"))[0]; //magic but works (btw creates json array as required in the question, all that required is to remove [0] in the end).
完整的代码示例:
function syncRequest(_url, _data) {
var req = new XMLHttpRequest();
req.open("POST", _url, false);
req.setRequestHeader("Content-type", "application/json");
req.send(_data);
return req.responseText;
}
var response = syncRequest("http://...", "{json data}");
//here response converted into json
var json = (eval("[" + eval(response) + "]"))[0];
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