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Editorial Team
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Asked: 2026-05-30T08:25:40+00:00

I’m trying to change the body content (remove all the content) and then put

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I’m trying to change the body content (remove all the content) and then put there iframe:

function create_iframe(target){
    var link = document.createElement('iframe');
    link.setAttribute('id', 'target_u');
    link.src = target;
    document.body.innerHTML = link;
    max_iframe();
}

but it prints 

[object HTMLIFrameElement]

what’s the problem?

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1 Answer

  1. Editorial Team

    link is a <iframe> element, not a string. Use the replaceChild method instead:

    document.documentElement.replaceChild(link, document.body);
//^^^^parent element^^^^  New element ^^^^, ^^^^^^^^^^^^^ Old element

    Or, a better approach, since <body> should be kept, use appendChild, after clearing the body:

    document.body.innerHTML = '';    // Clear contents
document.body.appendchild(link); // Append frame
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