javascript press enter key corresponding button to submit event_javascript skills

1. Use the submit button to submit and perform form verification on the onsubmit event in the form form:

Copy the code The code is as follows:

2. Use button Or the onclick event of the image calls the form verification code:

Copy code The code is as follows:

< input type="button" name="button" id="button" onclick="javascript:onSub();" />

However, when using the second method to submit the form, you cannot submit the form by pressing Enter after filling in the form. This gives customers a

feeling that is different from directly using the submit button to submit the form; in order to implement this function, just add the following javascript code to your page

Copy code The code is as follows:

function butOnClick() {
if (event.keyCode == 13) {
var button = document.getElementById("bsubmit"); //bsubmit is the id of the botton button
button.click();
return false;
}
}

Trigger the onkeydown event in the last input item of your form and call the butOnClick() function; for example, if the last item in the login program is a password, then



In this way, after you enter the password, press the Enter key to achieve form verification and login operations (if the username and password are correct) . This is a personal summary, please share it

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