How to Check if a Function Exists in JavaScript With typeof
If 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 JavaScript
trim(), trimStart() and trimEnd() are native JavaScript methods to remove whitespace (space, tab, no-break space, etc) and line terminator characters…
Difference Between getElementById And querySelector
I recently noticed many people, especially new JavaScript developers, do not know the differences between getElementById And querySelector. The questions…