/** * Create a new HTML element with the given tag name. * * @param tagName the tag name * @return the new HTML element, or NOT_FOUND if the tag is not supported */ @JsxFunction public Object createElement(String tagName) { Object result = NOT_FOUND; try { final BrowserVersion browserVersion = getBrowserVersion(); // FF3.6 supports document.createElement('div') or supports document.createElement('<div>') // but not document.createElement('<div name="test">') // IE9- supports also document.createElement('<div name="test">') // FF4+ and IE11 don't support document.createElement('<div>') if (browserVersion.hasFeature(BrowserVersionFeatures.JS_DOCUMENT_CREATE_ELEMENT_STRICT) && (tagName.contains("<") || tagName.contains(">"))) { LOG.info( "createElement: Provided string '" + tagName + "' contains an invalid character; '<' and '>' are not allowed"); throw Context.reportRuntimeError("String contains an invalid character"); } else if (!browserVersion.hasFeature(JS_DOCUMENT_CREATE_ELEMENT_EXTENDED_SYNTAX) && tagName.startsWith("<") && tagName.endsWith(">")) { tagName = tagName.substring(1, tagName.length() - 1); final Matcher matcher = TAG_NAME_PATTERN.matcher(tagName); if (!matcher.matches()) { LOG.info( "createElement: Provided string '" + tagName + "' contains an invalid character"); throw Context.reportRuntimeError("String contains an invalid character"); } } final SgmlPage page = getPage(); final org.w3c.dom.Node element; if ("comment".equalsIgnoreCase(tagName) && browserVersion.hasFeature(JS_DOCUMENT_CREATE_ELEMENT_COMMENT)) { element = new DomComment(page, ""); } else { element = page.createElement(tagName); if (element instanceof BaseFrameElement) { ((BaseFrameElement) element).markAsCreatedByJavascript(); } else if (element instanceof HtmlInput) { ((HtmlInput) element).markAsCreatedByJavascript(); } else if (element instanceof HtmlImage) { ((HtmlImage) element).markAsCreatedByJavascript(); } else if (element instanceof HtmlKeygen) { ((HtmlKeygen) element).markAsCreatedByJavascript(); } else if (element instanceof HtmlRp) { ((HtmlRp) element).markAsCreatedByJavascript(); } else if (element instanceof HtmlRt) { ((HtmlRt) element).markAsCreatedByJavascript(); } else if (element instanceof HtmlUnknownElement) { ((HtmlUnknownElement) element).markAsCreatedByJavascript(); } } final Object jsElement; if ("event".equalsIgnoreCase(tagName) && browserVersion.hasFeature(JS_DOCUMENT_CREATE_ELEMENT_COMMENT)) { jsElement = new SimpleScriptable(); ((SimpleScriptable) jsElement).setClassName("Object"); ((SimpleScriptable) jsElement).setParentScope(window_); } else { jsElement = getScriptableFor(element); } if (jsElement == NOT_FOUND) { if (LOG.isDebugEnabled()) { LOG.debug( "createElement(" + tagName + ") cannot return a result as there isn't a JavaScript object for the element " + element.getClass().getName()); } } else { result = jsElement; } } catch (final ElementNotFoundException e) { // Just fall through - result is already set to NOT_FOUND } return result; }