call javascript function on enter key press in textbox code example

Example 1: javascript detect enter press on input

var el = document.getElementById("myInputID");
el.addEventListener("keyup", function(event) {
    if (event.key === "Enter") {
        // Enter key was hit
    }
});

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();
    }
})