How to control or prevent rendering of HTML page till it download all resource file?

Question

How to control rendering of HTML page till it download its all HTML, CSS and JS dependencies?

Adding to the above question, how to validate that all the dependencies have been downloaded successfully ?

FRAMEWORK I AM USING:- jQuery, Twitter Bootstarp

Browser compatibility required:- IE8+, Chrome, Firefox, Safari

Solution

This might work. Basically, you hide the body by default. When everything loads, you show it:

HTML:

<body class="placeholder">
  ...
</body>

CSS:

.placeholder {
  display: none;
}

JavaScript:

$(document).load(function() {
  $('body').removeClass('placeholder');
});

Just as a question: why would you need to do this?

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