what is the difference between else and if?

Question

i have no idea

Answer 1

when you need to do something only some condition(s) are true ->

if(some condition){
' if condition is true do this things '
}
else{
' otherwise run this things '
}

Answer 2

thank you!

Answer 3

a=2
b=4

if(a>b){
alert("a greater than b");
{
else { //if not,or anything else (a<b)
alert("b greater than a");
}

Answer 4

wow this really helped thanks so much ^^♥

Answer 5

str1 = 100
str2 = 50

if(str1 == str2) //if this condition is true the following lines of code will be
{ //executed
alert("Same")
}
else //If the condition in if fails then else statement executes
{
alert("Not Same")
}

Output: Not Same

str1 = 100
str2 = 100

if(str1 == str2) //This condition is true now
{
alert("Same")
}
else
{
alert("Not Same")
}

Output:Same

This is if and else statements :)

Answer 6

Hii @kim Practice with more examples for better understanding...

Answer 7

if can use without else but else doesn't use without if