press enter after input javascript code example

Example 1: html javascript call function after pressing enter

var yourElement = document.getElementById("yourElement");
yourElement.addEventListener("keydown", function (e) {
    if (e.code === "Enter") {  //checks whether the pressed key is "Enter"
        validate(e);
    }
});

function validate(e) {
    var text = e.target.value;
    //validation of the input...
}

Example 2: input enter button js

// Get the input field
var input = document.getElementById("myInput");

  
input.addEventListener("keyup", (event) => {
    if (event.key === "Enter") {
        // Cancel the default action, if needed
        event.preventDefault();
        // Trigger the button element with a click
        document.getElementById("myBtn").click();
    }
})