33 lines (27 loc) · 676 Bytes

comparation operator evaluating condition?

== : compare two falue

=== : compare value and datatype
!== : not equall compare two value between value and data type are not the same
greater than >
greater than and equall >=
lesser than <
lesser than and equall <=

4>3 : true

3>3 : false

lpgical operator: return true or false

and &&
or ||
! : not
((5>2)&&(2>2)):true && false= false
((5>2)|| (2>2)) : true || false =false
! (2>1) : false

loops :

for : need to run number of time
while : dont know how many time to run the code
for(i=0;i<=10;i++) { document.write(i);

} var i=1;

while (i < 10) { console.log( i); }