使用循环访问javascript对象属性[重复]

Question

如何使用for 循环访问对象obj 属性？

示例：

var obj = {
        id: 1,
        description: "This space is for description",
        severity: "This is severity",
        assignedTo: "Name of the assigned person",
        status: "Issue Status "
    }

注意：我说的是这种循环for (var i =0;i <= obj.length;i++)，而不是for ... in 循环。我想使用document.write() 显示它。请不要 jquery，只有 javascript。

Answer 1

您可以将for 循环与Object.keys() 一起使用。

注意：正如squint提到的，它不保证正确的顺序。

var obj = {
  id: 1,
  description: "This space is for description",
  severity: "This is severity",
  assignedTo: "Name of the assigned person",
  status: "Issue Status "
}, elems = Object.keys(obj);

for (var i = 0; i < elems.length; i++) {
  document.write(`Key: ${elems[i]}, Value: ${obj[elems[i]]}<br>`);
}