How to Check if a Function Exists in JavaScript With typeofIf you try to call a function that doesn’t exists, JavaScript will throw an error “Uncaught ReferenceError: function is not…
How to Remove Whitespace and Line Terminator Characters in JavaScripttrim(), trimStart() and trimEnd() are native JavaScript methods to remove whitespace (space, tab, no-break space, etc) and line terminator characters…
Difference Between getElementById And querySelectorI recently noticed many people, especially new JavaScript developers, do not know the differences between getElementById And querySelector. The questions…