​x
 
<!DOCTYPE html>
<html>
<body>
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<h1>JSON 数组</h1>
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<p>遍历数组内的数组。</p>
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<p id="demo"></p>
​
<script>
var myObj, i, j, x = "";
myObj = {
  "name":"Bill Gates",
  "age":62,
  "cars": [
    {"name":"Porsche", "models":["911", "Taycan"]},
    {"name":"BMW", "models":["M5", "M3", "X5"]},
    {"name":"Volvo", "models":["XC90", "V60"] }
  ]
}
for (i in myObj.cars) {
  x += "<h2>" + myObj.cars[i].name + "</h2>";
  for (j in myObj.cars[i].models) {
    x += myObj.cars[i].models[j] + "<br>";
  }
}
document.getElementById("demo").innerHTML = x;
</script>
​
</body>
</html>
​