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Showing content from https://webplatform.github.io/docs/dom/HTMLElement/toStaticHTML below:

toStaticHTML · WebPlatform Docs

toStaticHTML

Method of dom/HTMLElement dom/HTMLElement

Syntax

var object = object.toStaticHTML(bstrHTML, pbstrStaticHTML);

Parameters bstrHTML

Data-type: BSTR

An HTML fragment.

pbstrStaticHTML

Data-type: BSTR

An HTML fragment consisting of static elements only.

Return Value

Returns an object of type DOM NodeDOM Node

Type: HRESULT

If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.

String

An HTML fragment consisting of static elements only.

Examples

The following script demonstrates how toStaticHTML sanitizes script and dynamic HTML attributes. The result of the operation is: Click Me.

<script type="text/javascript">
function sanitize()
{
    var szInput = myDiv.innerHTML;
    var szStaticHTML = toStaticHTML(szInput);
    ResultComment = "\ntoStaticHTML sanitized the HTML fragment as follows:\n"
        + "Original Content:\n" + szInput + "\n"
        + "Static Content:\n" + szStaticHTML + "\n";
    myDiv.innerText = ResultComment;
}
</script>
</head>
<body onload="sanitize()">
    <div id="myDiv">
    <script>function test() { alert("Testing, Testing, 123..."); }</script>
    <span onclick="test()">Click Me</span>
    </div>
</body>

Notes Remarks

The toStaticHTML method can be used to remove event attributes and script from user input before it is displayed as HTML. Malicious HTML can be passed on a URL, in form parameters, or across domains by XDomainRequest or postMessage. Always validate user input before adding it as an HTML fragment to a webpage or storing it in a database. Note This method does not filter the attributes of the base element. This can cause potentially unwanted redirect requests for link and anchor elements injected into a webpage. For best results, only use toStaticHTML to modify elements in the body of a webpage.

Syntax Standards information

There are no standards that apply here.