class test
p id="a" class="b"
divscript
$('.script').text(`<code class="script">script</code>`)
$('.script').html()
"<code class="script">script</code>"
p id="b" class="b"
window.alert=function(obj){
var iframe=document.createElement("iframe");
iframe.src="javascript:void(0);"
document.body.appendChild(iframe)
iframe.contentWindow.alert(obj);
iframe.parentNode.removeChild(iframe);
}

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