User:Xenwolf/vector.js

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var numWords = $("#mw-content-text > div").text().split(" ").length;

var headerWords = $("h1").text().split(" ").length;

var totalWords = numWords + headerWords;

var timeInMinutes = totalWords / 200;

var header = $("h1").text();

$("h1").text(header + " (it will take you " + timeInMinutes + " minutes to read this page)");