Creates a font string from desired google fonts based upon arguments as font names.

load-fonts.js

/**
 * loadFonts
 * Does the legwork to generate fontStrings to be used in two other functions 
 * @arguments String {comes from useFonts or getFonts}
 * @returns array
 */
 
function loadFonts(fonts){
    var fontStrings=fonts.map(function(font){
        font=(font[0].toUpperCase() + font.substr(1)).replace(/\s/g,'+');
        return font;    
    });
    return fontStrings;
}

/**
 * useFonts
 * loads fonts and appends stylesheet to head
 * @arguments String or Array font-names variable number
 */

function useFonts(){
 var fonts=Array.prototype.slice.call(arguments);
  var fontString='';
  loadFonts(fonts).forEach(function(font){
    fontString+=font+'|';
  });
 $('head').append('<link href="http://fonts.googleapis.com/css?family=' + fontString + '" rel="stylesheet" type="text/css">');
}
/**
 * getFonts(fonts)
 *
 * loads fonts and return link 
 * @arguments String or array font-names variable number
 */
function getFonts(){
 var fonts=Array.prototype.slice.call(arguments);
 var fontString='';
  loadFonts(fonts).forEach(function(font){
    fontString+=font+'|';
  });
  return '<link href="http://fonts.googleapis.com/css?family=' + fontString + '" rel="stylesheet" type="text/css">';
}