text: // Learning Processing
  // Daniel Shiffman
  // http://www.learningprocessing.com
  
  // Ported by Lauren McCarthy
  
  // Example 5-1: Conditionals
  
  // Variables
  var r = 150;
  var g = 0;
  var b = 0;
  
  function setup() {
    createCanvas(200, 200);
  }
  
  function draw() {
    // Draw stuff
    background(r, g, b);
    stroke(255);
    line(width / 2, 0, width / 2, height);
  
    // If the mouse is on the right side of the screen is equivalent to
    // "if mouseX is greater than width divided by 2."
    if (mouseX > width / 2) {
      r = r + 1;
    } else {
      r = r - 1;
    }
  
    // If r is greater than 255, set it back to 255.
    // If r is less than 0, set it back to 0.
    if (r > 255) {
      r = 255;
    } else if (r < 0) {
      r = 0;
    }
  }
  