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我與3個輸入動態輸入(
當用戶鍵入一個腳本應該計算一些結果的腳本中的問題。它的工作原理幾乎,因爲它應該exept當Sale
輸入具有價值和用戶編輯Avance
輸入,腳本不返回結果?
<div id="tst" style="border:1px solid black; background:white; width:100px; height:100px"></div>
Cost = <input id="inp_cost" type="text" /><br>
Avance = <input id="inp_avance" type="text" /><br>
Sale = <input id="inp_sale" type="text" /><br>
$(function(){
var calc = function(){
var Calc = new Calc_avance();
Calc.cost = $('#inp_cost').val();
Calc.avance = $('#inp_avance').val();
Calc.sale = $('#inp_sale').val();
Calc.calc();
$('#tst').html('<div>cost = '+Calc.cost+'</div><div>avance = '+Calc.avance+'</div><div>sale = '+Calc.sale+'</div>');
return Calc;
};
var calc_cost = function(){
var Calc = calc();
};
$('#inp_cost').change(calc_cost)
.keyup(calc_cost);
var calc_avance = function(){
var Calc = calc();
};
$('#inp_avance').change(calc_avance)
.keyup(calc_avance);
var calc_sale = function(){
var Calc = calc();
};
$('#inp_sale').change(calc_sale)
.keyup(calc_sale);
});
function Calc_avance(){
this.cost = 0;
this.avance = 0;
this.sale = 0;
this.calc = function(){
this.cost = parseFloat(this.cost.replace(',', '.'));
this.avance = parseFloat(this.avance.replace(',', '.'));
this.sale = parseFloat(this.sale.replace(',', '.'));
if(!isNumber(this.cost)){
this.cost = 0;
}
if(!isNumber(this.avance)){
this.avance = 0;
}
if(!isNumber(this.sale)){
this.sale = 0;
}
if(this.cost){
if(this.sale){
this.avance = (this.sale - this.cost)/this.sale * 100;
}
if(this.avance){
this.sale = this.cost/(100 - this.avance) * 100;
}
}
else{
this.avance = 0;
}
if(this.avance < 0){
this.avance = 0;
}
};
}
function isNumber(n){
return !isNaN(parseFloat(n)) && isFinite(n);
}
你在哪裏看到遞歸? :) – clarkk
是的,它可以做得更簡單一些,但它是我所忽略的更多東西的一部分 – clarkk