How to rewrite this javascript function with jQuery?

function setHeight() {
    var iframes = parent.document.getElementsByClassName('targetIframe');
    for(var i = 0; i < iframes.length; i++)
    iframes[i].height = document['body'].offsetHeight;
}

A variation of this answer.

It's using the getElementsByClassName function,which is not supported by IE.

How to rewrite it with jQuery?开发者_运维百科

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It would look like this using .height():

function setHeight() {
  $('.targetIframe', parent.document).height(document.body.offsetHeight);
}

Or for the literal height attribute setting:

function setHeight() {
  $('.targetIframe', parent.document).attr('height', document.body.offsetHeight);
}

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function setHeight() {
    var $iframes = $(parent.document).find('.targetIframe');

    $iframes.each(function(i, elem) {
        $(elem).height($(document.body).innerHeight());
    });
}

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Just replace first line with this:

var iframe = $('.targetIframe');