在jQuery中拆分值 [英] Split values in jquery

问题描述

我正在尝试计算税金，并且像这样在单个下拉列表中获取每个人的ID

I am trying to calculate tax also get the id for each in a single dropdown like this

<td><select name="tax[]" class="form-control tax" id="tax_1" style="width:80px;">
                                <option value="">Tax</option>
                                <?php $s1 = mysqli_query($con, "select * from taxes");  while($s2 = mysqli_fetch_array($s1)) { 

                                $options .= "<option value='". $s2['tax_id']."_".$s2['name']."'>".$s2['name'].'-'.$s2['rate'] . "</option>"; 
                                ?>
                                <option value="<?php echo $s2['tax_id']."_".$s2['rate']; ?>"><?php echo $s2['name'].'-'.$s2['rate']; ?></option>

                                <?php
                                }  
                                ?>
                                </select></td> 

我将这些值传递给jquery以进行自动计算.值将类似于id_rate (1_5)，我必须将其拆分和我应用于计算的费率.如何在那里拆分.

These values i am passing to jquery for auto calculation purpose. Values will be like id_rate (1_5) , I have to split it and rate i should use for calculations. How to split it there.

现在我正在这样计算

$('body').on('change', '.quantity,.price,.discount,.tax', function() {
    var tr = $(this).parent().parent();
    var qty = tr.find('.quantity').val();
    var price = tr.find('.price').val();
    var tax = tr.find('.tax').val();
    var dis = tr.find('.discount').val();

    var amt = (qty * price) - (qty * price * dis) / 100;

    var tax1 = (amt * (tax / 100));
    tax1 = Number((tax1).toFixed(2));

但是我不知道如何拆分

推荐答案

您可以尝试使用split函数.

You can try split function.

$('body').on('change', '.quantity,.price,.discount,.tax', function() {
    if($(this).hasClass("tax")){
        var taxVal= $(this).val();
        var tax_id=taxVal.split('_')[0];
        var rate=taxVal.split('_')[1];
    }
}

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