html运行实例（eg_js_json_array_modify）-搜寻教程库

代码示例：（标识：eg_js_json_array_modify）

<!DOCTYPE html>
<html>
<body>

<h1>JSON 数组</h1>

<p>如何修改 JSON 对象的数组值。</p>

<p id="demo"></p>

<script>
var myObj, i, x = "";
myObj = {
  "name":"Bill Gates",
  "age":62,
  "cars": ["Porsche","BMW","Volvo"]
}
myObj.cars[2] = "Mercedes Benz";

for (i in myObj.cars) {
  x += myObj.cars[i] + "<br>";
}
document.getElementById("demo").innerHTML = x;
</script>

</body>
</html>