What is the simplest way to clone an object in JavaScript?
Learn how to clone an object in JavaScript using the JSON.stringify, and Object.assign methods.
Craig Buckler
Content
How do you check if an element is hidden in JavaScript?
Learn how to simplify your visibility search by nesting methods within CSS classes.
What is the correct JSON content type?
Learn about MIME types and how the browser and your JSON code interacts.
What href attribute should you use for JavaScript-only links?
Learn the best practices for adding JavaScript links to your code using buttons and divs.
How do you check if one string contains a substring in JavaScript?
Learn eight methods for determining if a string contains a substring in JavaScript.
How do you check if an HTML form checkbox field is checked in JavaScript?
Learn how to verify if a checkbox or radio button is checked using the .checked property in JavaScript.
How do you include a JavaScript file in another JavaScript file?
Learn three methods for managing multiple scripts within a JavaScript project.
How do you make a page redirect using JavaScript?
Learn how to redirect from one page to another in JavaScript using the window.location object.
How do you obtain query string values in JavaScript?
Learn how to create a JavaScript function that will parse the query string into its constituent parts.
What does “use strict” do in JavaScript?
Learn how “use strict” can introduce more robust error reporting to your JavaScript code and cut down on logical errors.
What is the difference between == and === in JavaScript?
Learn the difference between == and ===, and understand which you should be using in your code.
How can I remove properties from JavaScript objects?
Learn how to erase JavaScript properties using the delete method, or convert the property to “undefined.”
How can I remove elements from JavaScript arrays?
Learn methods for array management such as length, pop, shift and slice and of course, delete.