jQuery document.ready vs pageLoad

Question

I\'ve picked up an existing project from another developer and ive noticed in the code that they are executing js code within three different event handlers...

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Answer 1

$(document).ready(function() {
`enter code here`
//execute code
});

$(function() {
`enter code here`
});

Both functions perform task in the same way, executes code inside them once the document is ready.

function pageLoad() {
`enter code here`
}

This executes after every post back, generally used with update panels controls as the above two functions does not execute every time or every post back.