script.js

//names of text & input boxes for various websites
//index 0 = TypeRacer, 1 = typrX, 2 = 10FastFingers, 3 = Typing Test (not working yet), 4 = Typing Speed Contest, 5 = PAT or JK's test
var textOptions = ['nonHideableWords unselectable', 'cw-QuotePanel-textToTypePanel', 'row1', 'practiceText', 'textData', 'typingAssignment'];
var inputBoxOptions = ['txtInput', 'cw-TypedTextBox race-go', 'form-control', 'tentry', 'userData', 'typingInput'];

var website = -1; //index for the arrays above
var classOrId = -1; //used later; 0 means text will be identified by its class, 1 means will be identified by its Id

//assigns valuies to website and classOrId
for (var w = 0; w < textOptions.length; w++) {
  if(!(document.getElementsByClassName(textOptions[w])[0] == null)) {
    website = w;
    classOrId = 0;
    break;
  } else if(!(document.getElementById(textOptions[w]) == null)) {
    website = w;
    classOrId = 1;
    break;
  }
}

if(website > -1 && classOrId > -1) { //prevents potential errors
  //get passage from HTML
  var text;
  if(classOrId === 0)
    text = document.getElementsByClassName(textOptions[website])[0].textContent;
  else if (classOrId === 1)
    text = document.getElementById(textOptions[website]).textContent;

  //get number of words in text
  var numWords = text.split(" ").length;
  
  //find inputBox to put words into
  var inputBox;
  if(!(document.getElementsByClassName(inputBoxOptions[website])[0] == null))
    inputBox = document.getElementsByClassName(inputBoxOptions[website])[0];
  else if(!(document.getElementById(inputBoxOptions[website]) == null))
    inputBox = document.getElementById(inputBoxOptions[website]);

  i = 0; //word counter
  
  //put words into inputBox
  function addWord() {
    if(i >= numWords)   return;
    word = text.split(" ")[i++]; //split text into words
    if(website === 3) {
      inputBox.value = ''
      for(l = 0; l < word.length; l++)
        inputBox.value += word[l];
    } else inputBox.value = word; //insert whole word (most wesbites)
  }
  
  addWord();
  
  //key listener for spacebar
  window.onkeyup = function(e) {
    var key = e.keyCode ? e.keyCode : e.which;
    if (key == 32) {
      addWord();
    }
  };
}