js decimals are rounded up, js decimals are rounded up, js decimals are rounded down
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
©Copyright Sweet Potato Yao January 17, 2017 14:31:19 Tuesday
http://fanshuyao.iteye.com/
/**
* Numbers, numbers (including positive integers, 0, floating point numbers), you can also determine whether the amount
* @param z_check_value value to check
* @return conforms to return true, otherwise false
* @author lqy
* @since 2017-01-07
*/
function isFloat(z_check_value){
var z_reg = /^((([0-9])|([1-9][0-9]+))(\.([0-9]+))?)$/;//.Yes special characters, need to be escaped
return z_reg.test($.trim(z_check_value));
};
/**
* js decimals are rounded down: floating point numbers are converted to integers, and the decimal point is removed
* @param floatNumber
*/
function floatToInteger(floatNumber){
if(!isFloat(floatNumber)){
error("Please enter the correct number");
return;
}
return parseInt(floatNumber);
};
/**
* js decimal round up: convert the floating point number into an integer, if there is a decimal (1.00 does not count as a decimal), add 1 to the integer
* @param floatNumber
*/
function floatToIntegerUp(floatNumber){
var integerNumber = floatToInteger (floatNumber);
if(floatNumber > integerNumber){
integerNumber += 1;
}
return integerNumber;
};
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
©Copyright Sweet Potato Yao January 17, 2017 14:31:19 Tuesday
http://fanshuyao.iteye.com/