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JavaScript

Posted by Haardik Gupta
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Haardik Gupta
Full Stack JavaScript Techdegree Student 5,459 Points

Random Quote generator

i just finished the quote generator project and then i started to go thru and look at other peoples solutions to see if there was anywhere i could improve in the future after a while i ran across this code and i cannot seem to figure out how this persons getRandomQuote function works can someone please explain

var quotes = [ { quote: "The only thing to fear is fear itself.", source: "Franklin Delano Roosevelt", citation: "First Inaugural Address", year: 1932, }, { quote: "That's one small step for man, one giant leap for mankind.", source: "Neil Armstrong", citation: "The moon", year: 1969, }, { quote: "It always seems impossible until it is done.", source: "Nelson Mandela", citation: "", year: "1918 - 2013", }, { quote: "Not everything that can be counted counts, and not everything that counts can be counted.", source: "Albert Einstein", citation: "", year: "1879 - 1955", }, { quote: "What we think, we become", source: "Buddha", citation: "", year: "", }, { quote: "Dream big and dare to fail", source: "Norman Vaughan", citation: "", year: "1905 - 2005", }, ];

function getRandomQuote(array) { var quoteIndex = Math.floor( Math.random() * (quotes.length)); for (var i = 0; i < array.length; i++) { var randomQuote = array[quoteIndex]; } return randomQuote; }

function printQuote() { var message = "";
var result = getRandomQuote(quotes); message = "<p class='quote'>" + result.quote + "</p>"; message += "<p class='source'>" + result.source; message += "<span class='citation'>" + result.citation + "</span>"; message += "<span class='year'>" + result.year + "</span>" message += "</p>";

document.getElementById('quote-box').innerHTML = message; }

printQuote();

document.getElementById('loadQuote').addEventListener("click", printQuote, false);

1 Answer

Steven Parker
Steven Parker
231,172 Points
Steven Parker
Steven Parker
231,172 Points

Not every post is an example of good or working code. This particular example has a loop in the "getRandomQuote" function that is entirely unnecessary.

Otherwise, the code seems pretty typical, was there something else about it that seems confusing?

Haardik Gupta
.a{fill-rule:evenodd;}techdegree
Haardik Gupta
Full Stack JavaScript Techdegree Student 5,459 Points

Could you send plain an example of code that performs the same function but doesn’t use a loop

Steven Parker
Steven Parker
231,172 Points
Steven Parker
Steven Parker
231,172 Points 
function getRandomQuote(array) {
  var quoteIndex = Math.floor(Math.random() * array.length);
  return array[quoteIndex];
}