gistfile1.js

var rand = Math.floor(Math.random()*index); // generate the random number
var rand2 = Math.floor(Math.random()*index); // generate the second random number
    
    if (rand == rand2) {
        var rand2 = Math.floor(Math.random()*index); // generate another random number
    }
    if (rand == rand2) {
        var rand2 = Math.floor(Math.random()*index); // generate another random number (this raises the chance of duplicate entries to 1/64)
    }
    if (rand == rand2) {
        var rand2 = Math.floor(Math.random()*index); // generate another random number (this raises the chance of duplicate entries to 1/512)
    }
    if (rand == rand2) {
        var rand2 = Math.floor(Math.random()*index); // generate another random number (this raises the chance of duplicate entries to 1/4096)
    }
    
    var quote = quote_array[rand]; // get the first quote from the array
    var quote2 = quote_array[rand2]; // get the second quote from the array