JavaScript - Decrement statement: --

Decrement statement it is a mathematical operation that is used to decrease the number by one.

--

-- var ;

Even one example in what situations we can use the operation decrement statement:

i=10;
do --i; while ( i > 0);
do {
  i++;
  if (i==5)
    break;
} while ( i <10);

Even one example in what situations we can use the operation decrement statement:

do --i; while ( i > 0);
j--;

Other pieces of example codes:

if ( x == 5 )
   --y;

while ( y >= 0 )  
      --y;

var -- ;

Even one example in what situations we can use the operation decrement statement:

i=10;
do --i; while ( i > 0);
do {
  i++;
  if (i==5)
    break;
} while ( i <10);

Even one example in what situations we can use the operation decrement statement:

do --i; while ( i > 0);
j--;

Other pieces of example codes:

y--;

i--;

Decrement statement in another programming language:

Differences to: