operators and loops

JavaScript includes operators as in other languages. An operator performs some operation on single or multiple operands (data value) and produces a result.

• Comparison Operators JavaScript language includes operators that compare two operands and return Boolean value true or false. == Compares the equality of two operands without considering type. === Compares equality of two operands with type. != Compares inequality of two operands.

  Checks whether left side value is greater than right side value. If yes then returns true otherwise false. <	Checks whether left operand is less than right operand. If yes then returns true otherwise false. =	Checks whether left operand is greater than or equal to right operand. If yes then returns true otherwise false. <=	Checks whether left operand is less than or equal to right operand. If yes then returns true otherwise false. # loops JavaScript supports different kinds of loops: for - loops through a block of code a number of times. for/in - loops through the properties of an object. for/of - loops through the values of an iterable object. while - loops through a block of code while a specified condition is true
  

• the main difference between main and while the structer of each loop the secound one is when i dont know ho many time the loop is