My goal is to prioritize loading the js first and then the images for a specific reason. I want the blue rollover effect to be applied immediately upon loading. As the number of images on this page will eventually double, this could potentially become a larger user experience issue as it grows.
Do you have any suggestions or ideas on how to achieve this?
In the scenario where both your JS and images are directly linked from the HTML using the typical
<script type="javascript" src=...><image src=...> tags, the load order is subject to the user's web browser control (as far as my understanding goes).
To have some influence over the load ordering, one potential method is to load the JavaScript in the standard way and then employ custom JS to manipulate the DOM for loading the images later. Here is an example:
var imgDiv = document.getElementById("myImageContainer")
, image = new Image();
image.onload = function() {
imgDiv.appendChild(image);
}
image.src = "myImageUrl.jpg";
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