如何在 JavaScript 中触发“输入键”事件？

Question

I am working on something little app for sign-in automation.
It is like filling in the sign-in id, password inputs, and then pressing enter to submit.
I tried click() , submit() on the button element, but it's not working. All I want is just fire the enter key event after filling the inputs, but many source codes are about get the keyboard event which I don't need to.

Is it impossible that press enter key event??

Answer 1

Try this code:

var element = document.getElementById(/* Element */);

element.addEventListener("keydown", fuction(e) {
    if(e.key == "Enter") {
        // Do something
    }
});

Answer 2

You can use HTML form for this. Just wrap your inputs inside form and set onsubmit event. After you fill up the email and pass, enter will trigger the onsubmit .

Here is a simple example:

<form onsubmit="myFunction()">
  Enter name: <input type="text" name="fname">
  <input type="submit" value="Submit">
</form>

<script>
function myFunction() {
  alert("The form was submitted");
}
</script>

Hope this helps.