回调函数

<script type="text/javascript">
    function parentFun (callBack) {
        console.log("主函数开始运行");
        console.log("主函数运行结束");
        console.log("-----------执行回调函数----------");
        var param = {"name1":"张三","name2":"李四","name3":"王五","person":{"name4":"赵六"}};
        callBack(param);
        console.log("-----------回调函数执行结束----------");
    }
    function childFun1 () {
        console.log("子函数开始运行");
    }
    function childFun2 (param) {
        console.log("传入的参数是："+param.person.name4);
    }
    /*测试一*/
    //parentFun(childFun1);
    /*测试二*/
    parentFun(childFun2);
</script>