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javascript/snippets/is-valid-json.md

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+---
+title: String is valid JSON
+type: snippet
+tags: [type]
+cover: italian-horizon
+dateModified: 2020-10-18T13:49:49+03:00
+---
+
+Checks if the provided string is a valid JSON.
+
+- Use `JSON.parse()` and a `try...catch` block to check if the provided string is a valid JSON.
+
+```js
+const isValidJSON = str => {
+  try {
+    JSON.parse(str);
+    return true;
+  } catch (e) {
+    return false;
+  }
+};
+```
+
+```js
+isValidJSON('{"name":"Adam","age":20}'); // true
+isValidJSON('{"name":"Adam",age:"20"}'); // false
+isValidJSON(null); // true
+```