[英]How can i multiply or add the values of a dynamic javascript input field
输入字段由javascript
生成。 无论我生成多少输入字段,我都想选择每个值......所以我可以使用这些值进行一些计算。
<form action="{{ route('addmorePost') }}" method="POST">
<div class="table-responsive">
<span id="result"></span>
<table class="table table-bordered">
<thead>
<tr>
<th width="55%">Sales Representative</th>
<th width="15%">Target per day</th>
<th width="15%">Monthly day</th>
<th width="10%"> <a href="#" class="btn btn-info addRow">+ </a> </th>
</tr>
</thead>
<tbody>
<tr>
<td>
<input type="text" name="target[]" class="form-control target" id="target" oninput="calc()">
</td>
<td><span id="sum1" onchange="add()">0</span> </td>
<td> <a href="#" class="btn btn-danger remove">- </a> </td>
</tr>
</tbody>
<tfoot>
<tr>
<th>
</th>
<th> Total</th>
<th><span id="sumx">0</span> </th>
</tr>
</tfoot>
<script>
function add() {
var ven1 = document.getElementById('sum1').innerHTML;
var valuey = document.getElementById('result1').innerHTML || 0;
console.log(ven1);
console.log(valuey);
document.getElementById('sumx').innerHTML = parseInt(ven1) + parseInt(valuey);
}
</script>
</table>
</button>
</form>
下面是用于生成INPUT FIELDS
的JAVASCRIPT
<script type="text/javascript">
$(document).ready(function(){
var postURL = "http://localhost/bcwater/public/addmore";
var i=1;
$('.addRow').on('click', function(){
i++;
addRow();
});
function addRow(){
var tr = '<tr class="dynamic-added">'+
'<td>'+
'</td>'+
'<td><input type="text" name="target[]" id="target2" class="form-control" oninput="calc()" /> </td>'+
'<td><span id="result1">0</span> </td>'+
'<td> <a href="#" class="btn btn-danger remove">- </a> </td>'+
'</tr>';
$('tbody').append(tr);
};
$('tbody').on('click','.remove', function(){
$(this).parent().parent().remove();
});
});
这是 CODEI 尝试获取值,将它们乘以 26 并在 sum1 上显示答案
<script>
function calc(){
var value1 = document.getElementById('target').value || 0;
document.getElementById('sum1').innerHTML = parseInt(value1 * 26);
var value2 = document.getElementById('target2').value;
document.getElementById('result1').innerHTML = parseInt(value2 * 26);
var ven1 = document.getElementById('sum1').innerHTML;
var valuey = document.getElementById('result1').innerHTML || 0;
console.log(ven1);
console.log(valuey);
document.getElementById("products").disabled = false;
document.getElementById('sumx').innerHTML = parseInt(ven1) + parseInt(valuey);
}
</script>
请帮忙......我做错了什么
每次调用addRow()
从您的代码中,ID 始终为target2
。 要自动更改 ID,有一个保存当前 ID 的变量并连接字符串,您可以使用var i
。
$(document).ready(function(){
var postURL = "http://localhost/bcwater/public/addmore";
var i=1;
$('.addRow').on('click', function(){
i++;
addRow(i);
});
function addRow(i){
var tr = '<tr class="dynamic-added">'+
'<td>'+
'</td>'+
'<td><input type="text" name="target[]" id="target' + i + '" class="form-control" oninput="calc()" /> </td>'+
'<td><span id="result' + i + '">0</span> </td>'+ //This is modified to attach the current index to result
'<td> <a href="#" class="btn btn-danger remove">- </a> </td>'+
'</tr>';
$('tbody').append(tr);
};
$('tbody').on('click','.remove', function(){
$(this).parent().parent().remove();
});
});
i
变量应始终保存添加的最后一行的索引
要乘以您必须使用相同i
变量的值,function calc()
应该如下所示,我建议您将i
重命名为描述性的名称:
function calc(){
var value1 = document.getElementById('target').value || 0;
document.getElementById('sum1').innerHTML = parseInt(value1 * 26);
for(var j = 1; j <= i; j++) {
var value2 = document.getElementById('target' + j).value;
document.getElementById('result' + j).innerHTML = parseInt(value2 * 26); // This is to target the result span that corresponds to the input value
}
var ven1 = document.getElementById('sum1').innerHTML;
var valuey = document.getElementById('result1').innerHTML || 0;
console.log(ven1);
console.log(valuey);
document.getElementById("products").disabled = false;
document.getElementById('sumx').innerHTML = parseInt(ven1) + parseInt(valuey);
}
谢谢你..我能够这样做......在我像这样 id="target' + i + '" 和 span 一样创建 id 的值之后
所以我使用下面的代码手动获取值......不是最好的选择,但它解决了我的问题,因为我不需要三个以上的输入字段
function calc(){
var value1 = document.getElementById('target').value || 0;
document.getElementById('sum1').innerHTML = parseInt(value1 * 26);
var value2 = document.getElementById('target2').value;
document.getElementById('result2').innerHTML = parseInt(value2 * 26);
document.getElementById("products").disabled = false;
var value2 = document.getElementById('target3').value;
document.getElementById('result3').innerHTML = parseInt(value2 * 26);
var ven1 = document.getElementById('sum1').innerHTML || 0;
var valuey = document.getElementById('result2').innerHTML || 0;
var valuenew = document.getElementById('result3').innerHTML || 0;
document.getElementById('sumx').innerHTML = parseInt(ven1) + parseInt(valuey) + parseInt(valuenew);
}
</script>
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