Question

78

rated 0 times [ 81] [ 3] / answers: 1 / hits: 5119 / 10 Years ago, fri, march 28, 2014, 12:00:00

How can i detect if some element is visible? For better understading look at the image below.

Screen

I want to fire event when the image is half-visible. It would be great if it would work for all browsers and devices (tablets and smartphones).

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answered 10 Years ago brandt · Accepted Answer

Jquery.fracs plugin seems to do exactly what you need.

function callback(fracs: Fractions, previousFracs: Fractions) {

    if(fracs > 0.5)

      doSomething();

};



var fracs = $(img).fracs(callback);