js控制input框输入数字时，累计求和

input框输入数字时,自动开始计算累加

<div class="form-group">
 ??<label for="inputPassword3" class="col-sm-2 control-label"><?php echo $this->translate(‘申请类型‘);?></label>
 ??<div class="col-sm-5">
 ?????<div>
 ?????<input type="checkbox" id="logistics_type1" name="logistics_type[]" value="1" />产品码
 ???????
 ????????申请数量<input ?type="text" class="form-control number" name="product_section_number" id="product_section_number" ?value="">
 ???????
 ?????</div>
 ?????<div>
 ?????<input type="checkbox" name="logistics_type[]" id="logistics_type2" value="2" />箱码
 ???????
 ????????申请数量<input type="text" class="form-control number" name="box_section_number" id="box_section_number" ?value="">
 ?????
 ?????</div>
 ?????<div>
 ?????<input type="checkbox" name="logistics_type[]" id="logistics_type3" value="3" />小箱码
 ??????
 ????????申请数量<input type="text" class="form-control number" name="small_box_section_number" ?id="small_box_section_number" ?value="">
 ???
 ?????</div>
 ?????<div>
 ?????<input type="checkbox" name="logistics_type[]" id="logistics_type4" value="4" />堆垛码
 ??????
 ????????申请数量<input type="text" class="form-control number" name="stack_section_number" ?id="stack_section_number" ?value="">
 ????
 ?????</div>

 ??</div>
</div>

<script type="text/javascript">
 ??$(‘.number‘).bind(‘input propertychange‘, function(){
 ?????var total = 0;
 ?????$(".number").each(function(){
 ????????total+=(parseFloat($(this).val())?parseFloat($(this).val()):0);
 ?????});
 ?????$("#quantity").val(total);
 ??});

</script>

js控制input框输入数字时，累计求和

原文地址：https://www.cnblogs.com/yuuje/p/9006644.html