javascript infinite loop

1while (true) {
2    //your code
3}

1while(0 == 0) {
2  //whatever
3}

1while(2 == 2) {
2  //your code here
3}

1x = 2;
2while (x == x) {
3	//please add your code here
4}

1 var userInput;
2		   var more;
3		   
4           userInput=prompt("Select number from 0 to 9","")
5		   userInput=parseInt(userInput);
6		  
7
8		  for (index=userInput;index < 0;index>9 ) {
9	document.write("Not in range");
10	
11	
12}
13document.write("Not in range");
14	

1var i = 1;
2var sum = 0;
3while(i < 5) {
4    sum += i;
5}
6println(sum);