Multi-line text

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1

I’m trying to add a long multi-line text (20,000+ characters) into Tinymce textarea.
setText works but it takes too long to simulate typing.
WebUI.setText(findTestObject(‘iframebody’), article)

This is my code:

WebElement element = WebUiCommonHelper.findWebElement(findTestObject(‘iframebody’),30)

WebUI.executeJavaScript(“arguments[0].append('” + article+ “');”, Arrays.asList(element))

Unable to execute JavaScript. (Root cause: org.openqa.selenium.WebDriverException: unknown error: Runtime.evaluate threw exception: SyntaxError: Invalid or unexpected token

So may be I need something like this
WebUI.executeJavaScript(“arguments[0].append(''arguments[1]);”, Arrays.asList(element))

2

Anybody?