如何在iframe生成的DOM中删除多余的空间？

Question

I am displaying an iframe on my web page. However there is extra space like      in the generated DOM. How can I remove it? I used jQuery like this. Didn't work. Thanks.

jQuery

    jQuery(document).ready(function () {

    let $iframe = $("iframe[name=previewIframe]");

    $iframe.on('load',function() {
        $iframe.contents().find("body #gwd-ad").text().replace(/\s+/g, " ").trim();
    });
});

HTML

Answer 1

Try this:

$iframe.on('load',function() {
    var $ad = $iframe.contents().find("#gwd-ad");
    $ad.html($ad.find("a").html())
});