Create exercise_03.js

Author: Siyuan Gao

Lesson07/exercise_03.js

@@ -0,0 +1,14 @@
+let foods = [];
+
+foods.push('burger');
+foods.push('fries');
+foods.push('wings');
+
+console.log(foods.indexOf('burger'));
+
+console.log(foods.length);
+
+let position = foods.indexOf('burger');
+foods.splice(position, 1);
+
+console.log(foods);