var A = "¥4.00"; var B = "¥5.00";var a = parseFloat(A.replace(/[^\x00-\xff]/g, '')); var b = parseFloat(B.replace(/[^\x00-\xff]/g, '')); var c = "¥"+ (a+b); alert(c);
<input type=button value=click onclick="fnc()"> <script> var A = "¥4.00"; var B = "¥5.00"; function fnc(){ var sum = "¥" + (parseInt(A.substr(1)) + parseInt(B.substr(1)) + 0.001); C = sum.substring(0,sum.length - 1); alert(C); } </script>
<script> var A = "¥4.00"; var B = "¥5.00";var a = parseFloat(A.replace(/[^\x00-\xff]/g, '')); var b = parseFloat(B.replace(/[^\x00-\xff]/g, '')); var c = "¥"+ (a+b); alert(c); </script>
var B = "¥5.00";var a = parseFloat(A.replace(/[^\x00-\xff]/g, ''));
var b = parseFloat(B.replace(/[^\x00-\xff]/g, ''));
var c = "¥"+ (a+b);
alert(c);
<script>
var A = "¥4.00";
var B = "¥5.00";
function fnc(){
var sum = "¥" + (parseInt(A.substr(1)) + parseInt(B.substr(1)) + 0.001);
C = sum.substring(0,sum.length - 1);
alert(C);
}
</script>
var A = "¥4.00";
var B = "¥5.00";var a = parseFloat(A.replace(/[^\x00-\xff]/g, ''));
var b = parseFloat(B.replace(/[^\x00-\xff]/g, ''));
var c = "¥"+ (a+b);
alert(c);
</script>