Getting functions to execute at the right time (queued or concurrently)

StackOverflow https://stackoverflow.com/questions/5927222

  •  30-10-2019
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Pergunta

I have written a little script that randomly shuffles a series of divs - this works as expected (or hoped).

My problem is in the implementation. I want the divs to fade out, to be shuffled and to fade in again. What I have found is that the function moveBox() executes concurrently with any animation. I have tried calling the it as a callback function to all the elements (fadeOut, delay and fadeIn) in the animation, but always with the same effect - the shuffling and redistribution of the divs happens during the animation, and is therefore visible.

I have a solution (var ts=timeOut...) which makes the shuffle happen while the divs are hidden, but I am not convinced that this is the best solution.

I would like to know how to control the order of execution of functions and whether they should execute concurrently or in sequence. My code :

<style>
    .tester{
        float:left;
        width:100px;
        height:100px;
        margin:5px;
        }
    .tester p{text-align:center;
        margin-top:20px;
    }
    .one{background-color:red;}
    .two{background-color:yellow;}
    .three{background-color:teal;}
    .four{background-color:blue;}
    .five{background-color:green;}
    .six{background-color:silver;}
</style>

<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript">
    jQuery(document).ready(function(){
        var anibase=jQuery(".tester").length;
        jQuery(".tester").fadeOut(1000);
        function moveBox(){
            function shuffle(){
                for (i = 0; i <= (anibase - 2); i++) {
                    mover = Math.floor(Math.random() * (anibase - i));
                    if (mover != 0) {
                        mover = mover + i;
                        jQuery(".tester:eq(" + mover + ")").insertBefore(".tester:eq(" + i + ")");
                    };
                };
            };
            jQuery(".tester").fadeOut(1500).delay(500).fadeIn(1500);
            var ts = setTimeout(shuffle,1500);
            var t=setTimeout(moveBox,5000);
        };
        moveBox();
    });

</script>
<body>
    <div class="tester one">
        <p>box 1</p>
    </div>
    <div class="tester two">
        <p>box 2</p>
    </div>
    <div class="tester three">
        <p>box 3</p>
    </div>
    <div class="tester four">
        <p>box 4</p>
    </div>
    <div class="tester five">
        <p>box 5</p>
    </div>
    <div class="tester six">
        <p>box 6</p>
    </div>
</body>

thanks in advance

Nenhuma solução correta

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