You can do it using the easy way:
webView->page()->mainFrame()->evaluateJavaScript("document.body.innerHTML += [your code]");
Using scripts you can dynamically "talk" with the HTML DOM.
in the [your code] i'm using a "window.bridge.code" with addToJavaScriptWindowObject.
But you can simples put your text there, or use "document.body.innerHTML += '" + code + "';";
^^
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