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function gettoDecimal(num) {
var result = parseFloat(num);
if (isNaN(result)) {
return false;
}
result = Math.round(num * 100) / 100;
var s_x = result.toString();
var pos_decimal = s_x.indexOf('.');
if (pos_decimal < 0) {
pos_decimal = s_x.length;
s_x += '.';
}
while (s_x.length <= pos_decimal + 2) {
s_x += '0';
}
return s_x;
}
注:
- indexOf() 方法对大小写敏感
- 如果要检索的字符串值没有出现，则该方法返回-1