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29 kwi 2009 · 1. A simple reason why document.write is a bad practice is that you cannot come up with a scenario where you cannot find a better alternative. Another reason is that you are dealing with strings instead of objects (it is very primitive). It does only append to documents.
When the document is being read and parsed by the browser, if there's a script element that calls document.write, the output of document.write is inserted into the document at that point. Later, though, once the page is fully loaded, if you use document.write, it implicitly performs a document.open, which wipes out the page and starts writing a ...
27 gru 2010 · document.write writes to the document stream. Calling document.write on a closed (or loaded) document automatically calls document.open which will clear the document.-- quote from the MDN. document.write() has two henchmen, document.open(), and document.close(). When the HTML document is loading, the document is "open".
24 sie 2015 · My understanding is that document.write will force reloading of the entire document so innerHTML is preferable for performance reasons. – DylanYoung Commented May 31, 2017 at 14:46
2 lut 2014 · I'm writing a simple javascript with several document.write statements ...
I have a JavaScript function that uses document.write() to write to the page. My issue is that when I click the button to call the function, document.write() replaces what I already had with what I am writing. Is there a way to write text to a specific div from JavaScript? Here is my HTML code:
16 gru 2013 · I agree with scrblndr3 that document.write is bad. Do some reading on it. To help you understand what's wrong, here's a bit of explanation.
So far my rules were: 1) Use document.write when adding new content. 2) Use .innerHTML when changing existing content. But I got confused, since someone told me that on the one hand .innerHTML is a strange Microsoft standard, but on the other hand I read that document.write is not allowed in XHTML.
You need to: quote all your string literals. put a + between each pair of strings you want to concatenate. use a <br> element instead of a literal new line (since a new line in HTML doesn't cause a line break to be rendered) Such: "Second Value Entered: " + num2 + "<br>" +.
17 lut 2009 · That's not true, you can access the content of the script tag added with a document.write immediately, as long as it's from a new script tag, unless you specify defer=true Here's the proof That's why you use document.write when you need add some dynamic parameters to the script but don't want to deal with async loading of creating a script node ...
