How to prevent single quote in th:onclick getting escaped when using thymeleaf

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How to prevent single quote in th:onclick getting escaped when using thymeleaf



I want to get onclick="alert('myvar')" in the browser.


onclick="alert('myvar')"



I tried


th:onclick="'alert('' + $myVar + '');'"



and I got


onclick="alert('null');"



I tried


th:onclick="|alert('$myVar');|"



and I still got


onclick="alert('null');"



How can I let the single quote not be escaped?




1 Answer
1



The following snipped worked for me:


th:onclick="|alert('$myVar');|"



That looks like your second attemp but I'm getting:


onclick="alert('null');"



That makes me thinking and I tested your first attemp:


th:onclick="'alert('' + $myVar + '');'"



and again I'm getting:


onclick="alert('null');"



Spooky! I searched for similar questions in the thymleaf-forum afterwards and that's the way how to to this.





So that's maybe a question related with configuration or version of thymeleaf. Would you help to try itutorial.thymeleaf.org/exercise/12 , add th:onclick="|alert('$myVar');|" to the submit button and see if it shows onclick="alert('null');"
– MasterQiao
Aug 6 at 10:00



th:onclick="|alert('$myVar');|"


onclick="alert('null');"





Shows &#39: but that isn't a problem since ' is the decimal name of the entity '. The editor-like window on the right side just shows you the entities decimal name.
– Flocke
Aug 6 at 12:21





Yes, it works rightly just like what I need. I thought ' in onclick would be a syntax error before. Thank you very much.
– MasterQiao
Aug 7 at 2:00


'


onclick






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