css-console-log

script2.js

var rainbow = ["red", "yellow", "pink", "green", "purple", "orange", "blue"];

function rainbowify(string) {
  var splitString = string.split("");
  var formatString = "";
  var colorArguments = [];

  for (var i = 0; i < splitString.length; ++i) {
    formatString += "%c" + splitString[i];
    colorArguments.push("color : " + rainbow[i % rainbow.length]);
  }

  return [formatString].concat(colorArguments);
}


// output the array
console.log(rainbowify("test string"));

// Invoke console.log with the array as its arguments
console.log.apply(console, rainbowify("test string"));