Get XPath from the element using JavaScriptArticle contains
  1. Custom function to get XPath
  2. Breakdown of how it works
  3. Additional tools
Use JavaScript to determine whether a string is a valid JSON stringArticle contains
  1. Check if provided string is a valid JSON string code
  2. Code explanation
The text "JavaScript. Is my string a valid JSON string?" on a desert.

Use JavaScript to determine whether a string is a valid JSON string

To determine whether a string is a valid JSON string in JavaScript, you can use the JSON.parse() method within a try...catch block. This approach leverages the fact that JSON.parse() throws a SyntaxError exception if the input string is not valid JSON. By catching this exception, you can accurately determine if the string represents valid JSON.

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How to validate an email address in JavaScriptArticle contains
  1. checkValidity method from an input type="email"
  2. Validate an email address in JavaScript
  3. Avoiding a complex regular expression
  4. Final note
A hand pointing to dozens of envelopes symbolizing electronic email and the text "JavaScript validating email format"

How to validate an email address in JavaScript

To check if an email is valid using JavaScript, you can use the checkValidity() method from an <input type="email"/> field (when checking in the browser environment) and additionally check for at (@) symbol in the email address.

We are going to validate the email address format only using browser and custom validation, but not if the email actually exists.

The below code consists of two functions: isInputTypeSupported and isValidEmail. These functions are designed to validate input types and email addresses, leveraging the HTML5 form validation capabilities and custom logic for more comprehensive validation.

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