生活中的阿薩布魯: disable enter

2012/09/16

http://www.thaicreate.com/tutorial/javascript-disable-the-submit-enter-keys.html

<html>
<head>
<title>ThaiCreate.Com Tutorial</title>
</head>
<body>
<form name="frmMain" action="" method="post">
<script language="JavaScript">
document.onkeydown = chkEvent
function chkEvent(e) {
var keycode;
if (window.event) keycode = window.event.keyCode; //*** for IE ***//
else if (e) keycode = e.which; //*** for Firefox ***//
if(keycode==13)
{
return false;
}
}
</script>
Textbox 1 <input type="text" name="txt1" value=""> <br>
Textbox 2 <input type="text" name="txt2" value=""> <br>
Textbox 3 <input type="text" name="txt3" value=""><br>
<input type="submit" name="btnSubmit" value="Submit">
</form>
</body>
</html>

http://marcfirth.co.uk/JavaScript-Disable-Enter-Key-on-Form-Submission

<?php /* Disable the enter key 
*/ ?> 

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 
Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 

<html xmlns="http://www.w3.org/1999/xhtml"> 

<head> 

<meta http-equiv="Content-Type" content="text/html; charset=utf-8" 
/> 

<title>Confirmation Dialogue 
Boxes</title> 

<script type="text/javascript"> 

//create a function that 
accepts an input variable (which key was key pressed) 

function disableEnterKey(e){ 

//create a variable to hold 
the number of the key that was pressed      

var key; 

    //if the users browser is 
internet explorer 

    if(window.event){ 

    //store the key code (Key 
number) of the pressed key 

    key = window.event.keyCode; 

    //otherwise, it is firefox 

    } else { 

    //store the key code (Key 
number) of the pressed key 

    key = e.which;      

    } 

    //if key 13 is pressed (the 
enter key) 

    if(key == 13){ 

    //do nothing 

    return false; 

    //otherwise 

    } else { 

    //continue as normal (allow 
the key press for keys other than "enter") 

    return true; 

    } 

//and don't forget to close 
the function     

} 

</script> 

</head> 

<body> 

<form> 

<!-- Here we have a form field with 
it's "onKeyPress" event set to call our JavaScript 
function --> 

<input type="text" name="mytext" onKeyPress="return 
disableEnterKey(event)"> 

</form> 

</body> 

</html> 

<? /* Tutorial by Marc Firth 
*/ ?>