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代码实现如下：
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
</head>
<body>
<script>
var person = [
{fname:"John",lname:"DD",age:25},
{fname:"Mike",lname:"MM",age:23}
];
for(var i = 0; i < person.length; i++)
{
for (x in person[i]) {
console.log(x + "=" + person[i][x]);
}
}
</script>
</body>
</html>