我希望我在这里错过了一些非常简单的东西，我正在使用下面教程中的代码:
http://code.tutsplus.com/tutorials/creating-a-keyboard-with-css-and-jquery--net-5774
该元素是为触摸屏提供一个弹出式键盘，我出于各种原因进行了一些修改，每次单击单独的文本字段和输入键时，我都会在该字段中获得双倍的字符。
代码如下:
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width" />
<title>Index</title>
<link href="~/Content/keyboard_css.css" rel="stylesheet" />
</head>
<body>
<div id="container">
<label>Client Name</label><div class="tbx" id="tbx_1" contenteditable></div>
<div class="tbx" id="tbx_2" contenteditable></div>
<div class="tbx" id="tbx_3" contenteditable></div>
<div class="tbx" id="tbx_4" contenteditable></div>
<div class="tbx" id="tbx_5" contenteditable></div>
<ul id="keyboard">
<li class="symbol"><span class="off">`</span><span class="on">~</span></li>
<li class="symbol"><span class="off">1</span><span class="on">!</span></li>
<li class="symbol"><span class="off">2</span><span class="on">@@</span></li>
<li class="symbol"><span class="off">3</span><span class="on">#</span></li>
<li class="symbol"><span class="off">4</span><span class="on">$</span></li>
<li class="symbol"><span class="off">5</span><span class="on">%</span></li>
<li class="symbol"><span class="off">6</span><span class="on">^</span></li>
<li class="symbol"><span class="off">7</span><span class="on">&</span></li>
<li class="symbol"><span class="off">8</span><span class="on">*</span></li>
<li class="symbol"><span class="off">9</span><span class="on">(</span></li>
<li class="symbol"><span class="off">0</span><span class="on">)</span></li>
<li class="symbol"><span class="off">-</span><span class="on">_</span></li>
<li class="symbol"><span class="off">=</span><span class="on">+</span></li>
<li class="delete lastitem">DEL</li>
<li class="tab">TAB</li>
<li class="letter">q</li>
<li class="letter">w</li>
<li class="letter">e</li>
<li class="letter">r</li>
<li class="letter">t</li>
<li class="letter">y</li>
<li class="letter">u</li>
<li class="letter">i</li>
<li class="letter">o</li>
<li class="letter">p</li>
<li class="symbol"><span class="off">[</span><span class="on">{</span></li>
<li class="symbol"><span class="off">]</span><span class="on">}</span></li>
<li class="symbol lastitem"><span class="off">\</span><span class="on">|</span></li>
<li class="capslock">CAPS</li>
<li class="letter">a</li>
<li class="letter">s</li>
<li class="letter">d</li>
<li class="letter">f</li>
<li class="letter">g</li>
<li class="letter">h</li>
<li class="letter">j</li>
<li class="letter">k</li>
<li class="letter">l</li>
<li class="symbol"><span class="off">;</span><span class="on">:</span></li>
<li class="symbol"><span class="off">'</span><span class="on">"</span></li>
<li class="return lastitem">ENTER</li>
<li class="left-shift">SHIFT</li>
<li class="letter">z</li>
<li class="letter">x</li>
<li class="letter">c</li>
<li class="letter">v</li>
<li class="letter">b</li>
<li class="letter">n</li>
<li class="letter">m</li>
<li class="symbol"><span class="off">,</span><span class="on"><</span></li>
<li class="symbol"><span class="off">.</span><span class="on">></span></li>
<li class="symbol"><span class="off">/</span><span class="on">?</span></li>
<li class="hide">HIDE</li>
<li class="space lastitem"> </li>
</ul>
</div>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js"></script>
</body>
</html>
<script>
$( document ).ready(function() {
// Hide Keyboard on load
$('#keyboard li').hide();
});
$(function(){
// Show Keyboard on click
$('.tbx').click(function () {
$('#keyboard li').show();
inputBox = $(this).attr('id');
//alert(inputBox);
i = '#';
GetId = i.concat(inputBox);
$write = $(GetId),
shift = false,
capslock = false;
$('#keyboard li').click(function () {
$this = $(this),
character = $this.html(); // If it's a lowercase letter, nothing happens to this variable
// Shift keys
if ($this.hasClass('left-shift') || $this.hasClass('right-shift')) {
$('.letter').toggleClass('uppercase');
$('.symbol span').toggle();
shift = (shift === true) ? false : true;
capslock = false;
return false;
}
// Hide Keyboard
if ($this.hasClass('hide')) {
$('#keyboard li').hide();
return false;
}
// Caps lock
if ($this.hasClass('capslock')) {
$('.letter').toggleClass('uppercase');
capslock = true;
return false;
}
// Delete
if ($this.hasClass('delete')) {
html = $write.html();
$write.html(html.substr(0, html.length - 1));
return false;
}
// Special characters
if ($this.hasClass('symbol')) character = $('span:visible', $this).html();
if ($this.hasClass('space')) character = ' ';
if ($this.hasClass('tab')) character = "\t";
if ($this.hasClass('return')) character = "\n";
// Uppercase letter
if ($this.hasClass('uppercase')) character = character.toUpperCase();
// Remove shift once a key is clicked.
if (shift === true) {
$('.symbol span').toggle();
if (capslock === false) $('.letter').toggleClass('uppercase');
shift = false;
}
// Add the character
$write.html($write.html() + character);
});
});
});
</script>'
最佳答案
每次点击输入时，您都绑定(bind)点击#keyboard li。像这样在点击之前添加 unbind() $('#keyboard li').unbind().click(function ()
关于javascript - 使用自定义键盘时的 Jquery 重复功能，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/38118725/