我需要總是填充#totalcost。有一些JavaScript計算,結果寫入#total成本。我試圖把它放在JSFiddle上,但我沒有成功觸發函數onload。對於.number輸入字段的每次更改.localTotal設置爲localTotal *數值。在2個字,我需要.localTotal和#totalcost總是充滿計算並觸發onchange並將結果寫入html
.localTotal用。價格* .quantity和#totalcost所有.localTotals
的總和這裏的HTML
<div class="row"> <div class="col-xs-5">
<span class="glyphicon glyphicon-remove remove" style="cursor:pointer;"></span> Ventura L15220</div>
<div class="col-xs-3 price">2020.20</div>
<div class="col-xs-4"><input type="number" class="form-control quantity" value="1"></div>
<div class="localTotal"></div></div>
<div class="row">
<div class="col-xs-5"><span class="glyphicon glyphicon-remove remove" style="cursor:pointer;"></span> Ventura L15220</div>
<div class="col-xs-3 price">30300.20</div><div class="col-xs-4"><input type="number" class="form-control quantity" value="1"></div>
<div class="localTotal"></div></div>
<div class="col-xs-4 head " id="totalcost"></div>
和JavaScript
function changeQuantity(){
$(".quantity").trigger("change");
console.log("done")
$('.quantity').change(calculateTotal);
function calculateTotal(){
$quantity=$(this);
$price=$quantity.closest('.row').find('.price').text();
$quantityValue=$quantity.val();
$localTotal=$quantity.closest('.row').find('.localTotal');
$localTotalValue=$quantityValue*$price;
$quantity.closest('.row').find('.localTotal').text($localTotalValue);
console.log($localTotalValue);
var sumToTotal = 0;
var totalSum=document.getElementById('totalcost');
$('.localTotal').each(function(){
sumToTotal += parseFloat($(this).text());
});
totalSum.innerHTML=sumToTotal+' грн';
}
}
changeQuantity()觸發onload,但不管$(「。quantity」)。trigger(「change」); #totalcost和.localTotal未被填充:c
謝謝,你說得對,我是觸發.number而不是.quantity。我已經改變了,但無論如何,問題仍然在這裏:(。 _ $('。quantity')。change(calculateTotal); _ - 這工作絕對沒問題 2字我需要.localTotal和#totalcost總是填充 – Hunkeone
你是什麼意思與總是填充?與什麼它應該填充? –
。本地總額.price * .quantity 和#totalcost總和所有.localTotals – Hunkeone