如何在计算结果中显示逗号分隔符? (123456789显示为123,456,789)
function calculate(){
a=Number(document.calculator.number1.value);
b=Number(document.calculator.number2.value);
A1=a*2000
document.calculator.totalA1.value=A1;
A2=a*b*240
document.calculator.totalA2.value=A2;
A3=a*8*240
document.calculator.totalA3.value=A3;
A4=a*960*5
document.calculator.totalA4.value=A4;
A5=a*3600*5
document.calculator.totalA5.value=A5;
A6=a*3000
document.calculator.totalA6.value=A6;
A7=A1+A2+A3+A4+A5+A6
document.calculator.totalA7.value=A7;
A8=a*120000
document.calculator.totalA8.value=A8;
A9=A8-A7
document.calculator.totalA9.value=A9;
}
我看过很多建议,但不知道在哪里插入脚本。 谢谢!
答案 0 :(得分:1)
你可以使用RegExp
尝试这样的事情
$("#button").click(function(){
var a = 100;
var A1=(a*2000);
alert(String(A1).replace(/(\d{3})(?!$)/g, "$1,"));
})
<script src="https://code.jquery.com/jquery-1.12.3.min.js"></script>
<button type="button" id="button">Calculate </button>
答案 1 :(得分:0)
在这里:https://jsfiddle.net/odewuqun/3/
function addPunctuation(number){
var array = number.toString().split("");
var output = "";
var first = true;
for(var i = array.length-1; i >= 0; i--){
if((array.length-i-1) % 3 === 0){
if(first){
first = false;
}else{
output = "," + output;
}
}
output = array[i] + output;
}
return output;
}
简短说明:
这是通过索引%3 === 0来实现的。(%是带有休息的整数除法的数学模运算符)