t0lkman

function isPowerOfTwo(num) {
    return num > 0 && (num & (num-1)) === 0;
}

for(var i = 0; i < 1000; i++){
    if(isPowerOfTwo(i)){
        console.log(i);
    }
}

t0lkman

/**
 * The first commented line is your dabblet’s title
 */

background: #fff;
background: linear-gradient(45deg, #333, #666);
min-height: 100%;

t0lkman

{"menu": {
  "id": "file",
  "value": "File",
  "popup": {
    "menuitem": [
      {"value": "New", "onclick": "CreateNewDoc()"},
      {"t0lkman": "Open", "onclick": "OpenDoc()"},
      {"value": "Close", "onclick": "CloseDoc()"}
    ]
  }

t0lkman

body {
  background: #daecf1;
}

.wrapper {
  position: absolute;
  width: 250px;
  height: 250px;
  left: 50%;
  top: 50%;

t0lkman

body {
  background: #daecf1;
}

.wrapper {
  position: absolute;
  width: 250px;
  height: 250px;
  left: 50%;
  top: 50%;