請看一看這個http://jsfiddle.net/F2wEK/4/:如何使使自動求和計算輸入字段
HTML
cost 1 :<input type="text" class="cost" name="cost1" /><br />
cost 2 :<input type="text" class="cost" name="cost2" /><br />
cost 3 :<input type="text" class="cost" name="cost3" /><br />
cost 4 :<input type="text" class="cost" name="cost4" /><br /><br />
sum : <input type="text" id="sum" readonly />
的Javascript
$(document).ready(function(){
$(".cost").each(
function(){
$(this).keyup(
function(){
calculateSum()
});
});
});
function calculateSum(){
var sum=0;
$(".cost").each(
function(){
var vl = this.value.replace(',','');
if(!isNaN(vl) && vl.length!=0){
sum+=parseFloat(vl);
}
});
$("#sum").val(sum.toFixed(2));
}
$(document).ready(function(){
$('input.cost').keyup(function(event){
// skip for arrow keys
if(event.which >= 37 && event.which <= 40){
event.preventDefault();
}
var $this = $(this);
var num = $this.val().replace(/,/gi, "").split("").reverse().join("");
var num2 = RemoveRougeChar(num.replace(/(.{3})/g,"$1,").split("").reverse().join(""));
console.log(num2);
// the following line has been simplified. Revision history contains original.
$this.val(num2);
});
});
function RemoveRougeChar(convertString){
if(convertString.substring(0,1) == ","){
return convertString.substring(1, convertString.length)
}
return convertString;
}
爲什麼不能自動如果我輸入100000,1000000,10000000,更大......,總和?如何使它與千,百萬或十億的數字一起工作?請幫幫我..
看起來它是工作,我... – RichardBernards 2014-08-27 08:29:54
如果我是(例如)100000 1000000 10000000之間或更大的每個輸入字段中輸入它不工作比那.. – kroseva 2014-08-27 08:31:26