inline hints behaving weirdly (I think)

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keystrike
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Newby. Javascript. My code: <document.createElement(canvas);> (text I type is in<..>) The inline hint "tagName:" appears in a grey rectangle in the editor. So I put the cursor at opening parens, type <ta>. Get a long list of possibilities, NONE of which is tagName:. So I type <tagName:>. This creates an error, and the hint does not go away. 

Is this what's supposed to happen? 

Thanks

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Elena Pogorelova
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tagName here is a parameter name; this method expects a tag name (like "div") to be passed as argument, like

const newDiv = document.createElement("div");

 

See https://developer.mozilla.org/en-US/docs/Web/API/Document/createElement

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