revision new files

Chapter 12/parsing.js

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+let str = "{\"name\": \"Maaike\", \"age\": 30}";
+let obj = JSON.parse(str);
+console.log(obj.name, "is", obj.age);
+
+let dog = {
+    "name": "wiesje",
+    "breed": "dachshund"
+};
+
+let strdog = JSON.stringify(dog);
+console.log(typeof strdog);
+console.log(strdog);