JSFiddle - React, Tailwind, and code Playground

by Sam Liew

JavaScript

function makeRand() {
    var numLow = 1,
        numHigh = 7,
        adjustedHigh = (parseFloat(7) - parseFloat(1)) + 1,
        numRand = Math.floor(Math.random() * adjustedHigh) + parseFloat(numLow);
    
    return numRand;
}

$(document).ready(function () {
    imgNo = new Array();
    while(imgNo.length < 3) {
        var rnd = makeRand();
        if($.inArray(rnd, imgNo) >= 0) continue;
        imgNo.push(rnd);
    }
    alert(imgNo);
});