我一直在尝试使用 HTML、CSS 和 JavaScript 制作自定义单选按钮。我一直在查看以前关于单选按钮的问题,我觉得我已经实现了这些建议,但我的 jpeg 图像仍然被切成两半。我显然错过了一些东西,但不确定它是什么。下面是我的 HTML CSS 和 JavaScript。任何投入将不胜感激。
<style TYPE="text/css">
.has-js .label_check,
.has-js .label_radio { padding-left: 40px;}
.has-js .label_radio {
background: url(images/radio_button-21.jpg) no-repeat;
width: 33px;
height: 35px;}
.has-js .label_check { background: url(check-off.png) no-repeat; }
.has-js label.c_on { background: url(check-on.png) no-repeat; }
.has-js label.r_on {
background: url(images/radio_button_selected.jpg) no-repeat;
width: 33px;
height: 35px;}
.has-js .label_check input,
.has-js .label_radio input { position: absolute; left: -9999px;}
</style>
</head>
<label class="label_radio" for="radio-01">
<input name="sample-radio" id="radio-01" value="1" type="radio" />
Yes
</label>
<br />
<br />
<label class="label_radio" for="radio-02">
<input name="sample-radio" id="radio-02" value="2" type="radio" />
No
</label>
<br />
<br />
<label class="label_radio" for="radio-03">
<input name="sample-radio" id="radio-03" value="3" type="radio" />
Maybe
</label>
</body>
JavaScript 代码
onload = function() {
var body = gebtn(d,'body')[0];
body.className = body.className && body.className != '' ? body.className + ' has-js' : 'has-js';
if (!d.getElementById || !d.createTextNode) return;
var ls = gebtn(d,'label');
for (var i = 0; i < ls.length; i++) {
var l = ls[i];
if (l.className.indexOf('label_') == -1) continue;
var inp = gebtn(l,'input')[0];
if (l.className == 'label_check') {
l.className = (safari && inp.checked == true || inp.checked) ? 'label_check c_on' : 'label_check c_off';
l.onclick = check_it;
};
if (l.className == 'label_radio') {
l.className = (safari && inp.checked == true || inp.checked) ? 'label_radio r_on' : 'label_radio r_off';
l.onclick = turn_radio;
};
};
};
var check_it = function() {
var inp = gebtn(this,'input')[0];
if (this.className == 'label_check c_off' || (!safari && inp.checked)) {
this.className = 'label_check c_on';
if (safari) inp.click();
} else {
this.className = 'label_check c_off';
if (safari) inp.click();
};
};
var turn_radio = function() {
var inp = gebtn(this,'input')[0];
if (this.className == 'label_radio r_off' || inp.checked) {
var ls = gebtn(this.parentNode,'label');
for (var i = 0; i < ls.length; i++) {
var l = ls[i];
if (l.className.indexOf('label_radio') == -1) continue;
l.className = 'label_radio r_off';
};
this.className = 'label_radio r_on';
if (safari) inp.click();
} else {
this.className = 'label_radio r_off';
if (safari) inp.click();
};
};