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推荐于2017-12-15 · 知道合伙人数码行家
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你好,以下代码可以帮你的大忙:
<select name='anch1'>
<option value='10'>10 ++</option>
<option value='20'>20 ++</option>
<option value='30'>30 ++</option>
<option value='40'>40 ++</option>
<option value='50'>50 ++</option>
</select>
<select name='anch2'>
<option value='10'>10 ++</option>
<option value='20'>20 ++</option>
<option value='30'>30 ++</option>
<option value='40'>40 ++</option>
<option value='50'>50 ++</option>
</select>
<select name='anch3'>
<option value='10'>10 ++</option>
<option value='20'>20 ++</option>
<option value='30'>30 ++</option>
<option value='40'>40 ++</option>
<option value='50'>50 ++</option>
</select>
<div>SUM OF SELECTED OPTIONS</div>
求和的JS:
$('select').change(function(){
var sum = 0;
$('select :selected').each(function() {
sum += Number($(this).val());
});
$("#sum").html(sum);
});
真心希望你能采纳我的回答,如有不明白,可以继续追问,若满意,记得及时采纳
祝你从此刻开始每天都有进步!!
<select name='anch1'>
<option value='10'>10 ++</option>
<option value='20'>20 ++</option>
<option value='30'>30 ++</option>
<option value='40'>40 ++</option>
<option value='50'>50 ++</option>
</select>
<select name='anch2'>
<option value='10'>10 ++</option>
<option value='20'>20 ++</option>
<option value='30'>30 ++</option>
<option value='40'>40 ++</option>
<option value='50'>50 ++</option>
</select>
<select name='anch3'>
<option value='10'>10 ++</option>
<option value='20'>20 ++</option>
<option value='30'>30 ++</option>
<option value='40'>40 ++</option>
<option value='50'>50 ++</option>
</select>
<div>SUM OF SELECTED OPTIONS</div>
求和的JS:
$('select').change(function(){
var sum = 0;
$('select :selected').each(function() {
sum += Number($(this).val());
});
$("#sum").html(sum);
});
真心希望你能采纳我的回答,如有不明白,可以继续追问,若满意,记得及时采纳
祝你从此刻开始每天都有进步!!
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感谢啊!! 那个价格那块,我要怎么实现呐?谢谢, 我可以百度hi你吗?
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