如果javascript中的else语句不起作用。 仅在else语句中

Question

Sorry, i'm still new here. i just want to know where's my error here. my else statement is not working. but the if statement is working. lets assume that all my variables are correct though my conditional statement isnt. i really need help, im stuck here.

expecting result:

i need to add 13 options for my select. but when my if statement is done, and the else statment will take over the variable hr1 , it stop and skip the process. wherein the option is not added.

for example:

hr1 = 9
convertedVar = 20

->it will only add the option when the condition is satisfied, if(hr1 <= convertedVar) and then else will skip.

thank you for you help.

if(a==mod)
{
    for(i = 0; i <= 13 ; i++) 
    { 
        if(hr1 <= convertedVar)
        {
        document.getElementById('timeId').options[i] = new Option('---','');
        hr1++;
        hr2++;
        }
        else
        {
        document.getElementById('timeId').options[i] = new Option(h1++ + ':00', hr2++ + ':00');
        }   
    }
}

Answer 1

Don't know much about the logic behind this but this seems a typo to me:

.... s[i] = new Option(h1++ + ':00', hr2 ....
//                    h1 or hr1 ??

You are incrementing the variable h1 instead of the variable hr1 If h1 isn't known at that time, your loop will stop. As this is the described behavior, 99% sure that this is the error: just a typo.