25 lines
463 B
Markdown
25 lines
463 B
Markdown
---
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title: isValidJSON
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tags: type,json,intermediate
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---
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Checks if the provided string is a valid JSON.
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Use `JSON.parse()` and a `try... catch` block to check if the provided string is a valid JSON.
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```js
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const isValidJSON = str => {
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try {
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JSON.parse(str);
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return true;
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} catch (e) {
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return false;
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}
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};
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```
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```js
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isValidJSON('{"name":"Adam","age":20}'); // true
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isValidJSON('{"name":"Adam",age:"20"}'); // false
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isValidJSON(null); // true
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``` |