Print out all prime numbers between 1-100

Print out 1-100 All prime numbers between
1、 find 1-100 All the numbers between
2、 Judge whether it is prime
3、 Print out the prime number found

<script type="text/javascript">
		/**
		 * 2、 Print out 1-100 All prime numbers between 
		 * 		( Prime number ： except 1 And outside of himself , Numbers that cannot be divided by other numbers are called prime numbers )
		 *  We know 1 It's neither prime nor sum , So the following code directly from 2 Start 
		 */
		// Print 2-100 All the numbers between 
		for(var i=2;i<=100;i++){
			var flag=true;
			// Judge i Is it a prime number , obtain 2-i All the numbers between 
			for(var j=2;j<i;j++){
				// Judge i If I can be j to be divisible by 
				if(i%j == 0){
					// If you enter the judgment, it will prove i Not prime , modify flag The value of is false
					flag=false;
				}
			}
			if(flag){
				document.write(i+" ");
			}
		}
		</script>