Cara Mengubah String ke Ekspresi Matematika JavaScript secara terprogram
function addbits(s) {
var total = 0,
s = s.match(/[+\-]*(\.\d+|\d+(\.\d+)?)/g) || [];
while (s.length) {
total += parseFloat(s.shift());
}
return total;
}
var string = '1+23+4+5-30';
console.log(
addbits(string)
)
Nasty Nightingale