更新时间:2023-12-02 23:44:16
使用 .keydown()
或 .keyup()
jQuery(function($){
var output = $('.output');
$("#text1").bind('keypress', function(e) {
var code = (e.KeyCode ? e.keyCode : e.which);
output.text(code);
});
$("#text2").bind('keydown', function(e) {
var code = (e.KeyCode ? e.keyCode : e.which);
output.text(code);
});
$("#text3").bind('keyup', function(e) {
var code = (e.KeyCode ? e.keyCode : e.which);
output.text(code);
});
})
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js"></script>
keypress <input type="text" id="text1"> <br>
keydown <input type="text" id="text2"> <br>
keyup <input type="text" id="text3">
<br><br>
Output: <span class="output"></span>