/
app.js
60 lines (42 loc) · 1.4 KB
/
app.js
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var letterArray;
$(document).ready(function() {
letterArray = createLetterArray();
$(document).on("click", changeLetter);
$(document).on("touchstart", changeLetter);
$(document).on("keyup", changeLetter);
$(window).on("resize", function() {
$("#letters").css("left", ($(window).width() - $("#letters").outerWidth()) * .5)
.css("top", ($(window).height() - $("#letters").outerHeight()) * .4);
});
changeLetter();
});
function changeLetter() {
var letterIndex = Math.floor(Math.random() * letterArray.length);
$("#letters").removeClass("active").addClass("inactive");
setTimeout(function() {
$("#letters").html(letterArray[letterIndex])
.removeClass("inactive")
.css("left", ($(window).width() - $("#letters").outerWidth()) * .5)
.css("top", ($(window).height() - $("#letters").outerHeight()) * .4)
.addClass("active");
letterArray.remove(letterIndex);
if (letterArray.length == 0) {
letterArray = createLetterArray();
}
return false;
}, 150);
return false;
}
function createLetterArray() {
var letters = [];
for (var i = 0; i < 26; i++) {
letters.push(String.fromCharCode(i + 65) + String.fromCharCode(i + 97));
}
return letters;
}
// Function by John Resig, MIT licensed
Array.prototype.remove = function(from, to) {
var rest = this.slice((to || from) + 1 || this.length);
this.length = from < 0 ? this.length + from : from;
return this.push.apply(this, rest);
};