JavaScript keypress codes | Get the onkeypress name example

If you want to know something about the character or key code that was typed, you have to use the keypress event. The keyCode property returns the Unicode character code of the key that triggered the onkeypress event,. Events triggered when a keyboard key is pressed or released: keydown event keypress event keyup event Note: Read More…


How to Prevent Backspace key in JavaScript | Example code

Backspace key char is 8 and key is “Backspace”. Use onkeydown event and e.preventDefault() to disable backspace key. Prevent Backspace key in JavaScript Example HTML example code: Output: Do comment if you have any doubts and suggestions on this JS code. RohitDegree in Computer Science and Engineer: App Developer and has multiple Programming languages experience. Read More…


How to trigger backspace event in JavaScript | Example code

Use onkeydown event to check backspace key trigger or not in JavaScript. Trigger backspace event in JavaScript example HTML example code have an input field, if user pressed an backspace key it will popup alert box. Backspace key char is 8, so we will check the condition with same value. Output: Do comment if you Read More…


How to disable backspace in textbox using JavaScript | Example code

Use onkeydown property and block key of backspace “8” or key “Backspace” to prevent users from using the backspace key in a textbox using JavaScript. Note: This sounds creating a major usability issue if the user makes a typo. Example disable backspace in textbox in JavaScript HTML example code. Prevent backspace click via JavaScript by Read More…


How to detect backspace key in JavaScript | Example code

You can use addEventListener or onkeydown property to detect a used pressed backspace key or no in JavaScript. Where Backspace key keycode is 8 and key is “Backspace”. Example of detect backspace key in JavaScript HTML example code, popup alert box if use press the backspace key in input box. Using addEventListener Using .onkeydown More Read More…


How to press enter key programmatically in JavaScript | Example code

Use KeyboardEvent to trigger enter key programmatically in JavaScript. Execute the onkeydown function with dispatchEvent when the user clicks the button. Example press enter key programmatically in JavaScript HTML example code. Trigger an enter keypress event on my input without actually pressing the enter key, more just click on button. Output: Do comment if you Read More…


JavaScript onKeyPress keyCode | Get Unicode char code example

An onkeypress event executes JavaScript when a user presses a key. The keyCode property returns the Unicode char code of the key that pressed the onkeypress event. It can use in many form HTML: <element onkeypress=”myScript”> JavaScript: object.onkeypress = function(){myScript}; JavaScript, using the addEventListener() method: object.addEventListener(“keypress”, myScript); Suggestion: If you only want to detect whether Read More…


JavaScript trigger spacebar | Execute JS code after pressing

Spacebar keycode is 32. Let’s try to trigger space key with keycode in JavaScript. Checks if the code of the key pressed is equal to the code of spacebar, JavaScript trigger spacebar Example HTML example execute JS code after pressing the spacebar. Output: This will be executed after you hit spacebar. Auto Trigger space bar Read More…


charcode in JavaScript | Get Unicode character of the key on the keyboard

e.charCode – a number that represents the Unicode character of the key on keyboard. The charCode is a property, which returns the Unicode character code of the key that triggered the onkeypress event. Example charcode in JavaScript Press a key on the keyboard in the input field to get the Unicode character code of the Read More…


JavaScript ASCII to char | Example code

Use fromCharCode() Method to convert ASCII to char in JavaScript. The fromCharCode() method converts Unicode values into characters. JavaScript ASCII to char Example HTML example code convert a Unicode number into a char:- Output: Multiple ASCII values into char: Do comment if you have any doubts and suggestions on this JS char ASCII topic. RohitDegree Read More…