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3_JavaScript/17_对象.html

@@ -46,7 +46,18 @@
             }
         }
         console.log(person2.name);
-        person2.say();  
+        person2.say(); 
+        
+        // 修改对象属性
+        person2.name = "王五";
+        // 输出对象属性
+        delete person2.age;
+        // 添加对象属性或方法
+        person2.school = "xxx学校";
+        console.log(person2)
+
+
+
     </script>
 </body>
 </html>

3_JavaScript/21_Array数组对象.html

@@ -54,6 +54,9 @@
         arr7.splice(2,0,"a","b","c");
         console.log(arr7);
 
+        var arr8 = ["a","b","c",1,8,3];
+        console.log(arr8.reverse());
+
 
         
     </script>