What is the best way to manage the delay that occurs when using the append() function?

I'm using jQuery to append an array to a div and I want to display a loading indicator while this process is happening. I added a callback function to my append logic, which works fine. However, the loader disappears before the array is fully rendered in the div.

Is there a way to hide the loader only after the array has finished rendering?

var contentpush = [];
// create x-amount of divs (x being 'tabs')
for (var i = 0; i < tabs; i++){
    contentpush.push('<li class="tab" role="tab"><a href="#tab'+(i+1)+'"><span class="icon"><span class="'+contentformat[i].icon+'" ></span></span><span class="title">'+contentformat[i].title+'</span></a></li>');
}

$('.tablist').append(contentpush.join('')).ready(function(){$('#skeleton').hide(); });;

Check out this gif for a visual representation: https://i.sstatic.net/nbqly.gif

As shown in the gif, the loading indicator disappears before the array is fully painted in the div. Any ideas on how to solve this issue would be greatly appreciated!

javascriptjqueryhtmlcssarrays

Answer №1

Maybe consider implementing a delay of a few milliseconds in your code?

Answer №2

Regrettably, the jQuery .append() function does not come with a callback feature. It does not allow for checking the completion of its operation, as it is meant to occur immediately and synchronously in the sequence they are called. However, you can opt for an asynchronous approach by incorporating a timeout or interval. Check this out for more information

Therefore, when you use the .append method, it will finish its execution before any subsequent actions take place. Here are a couple of suggestions to consider:

// Set a timeout for the completion of the event.
$(contentpush).hide().appendTo(".tablist").fadeIn(1000);

// Make a minor adjustment to include a callback function.
$(".tablist").append(contentpush).append(function() { $('#skeleton').hide(); });

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