block 'e' on number textField code example

Example 1: javascript how to get rid of e with number input

document.querySelector(".your_class").addEventListener("keypress", function (evt) {
    if (evt.which != 8 && evt.which != 0 && evt.which < 48 || evt.which > 57)
    {
        evt.preventDefault();
    }
});

// 0 for null values
// 8 for backspace 
// 48-57 for 0-9 numbers

Example 2: prevent user from typing e,+,- from number input

<input type="number" id="inputBox" />