The uncaught syntax error unexpected identifier can occur due to the following reasons - Misspelling a keyword like using 'Let' or 'Function' instead of 'let' and 'function'.Missing quote, parenthesis, bracket,…
The "TypeError: Converting circular structure to JSON" error can occur when trying to stringify an object that contains a self-referencing key-value pair. JSON.stringify() doesn't allow self-references. By removing the self-references,…
You can get the reference error - window is not defined in JavaScript due to any of the following reasons - 'window' is used on a server-side JavaScript environment like…
The 'cannot read property firstChild of null' error occurs in JavaScript when - You are calling the firstChild method of a DOM element that doesn't exist.You have the script calling…
To check if a variable is true in JavaScript, use the === (strict equality) operator. This will return true if the variable is equal to true, and false otherwise. Do…
To replace all spaces in JavaScript, you can use three methods - Use the replaceAll() method passing space as the first argument, and the replacement as the second argument.Use the…
To remove all event listeners from an element in JavaScript, use the Node.cloneNode() method and clone the element. Then use the Element.replaceWith() method to replace the original element with the…
To hide/show an element in JavaScript, you can use two methods - Use the style.display property to hide/show an element.Use the style.visibility property to hide/show an element. There is a…