Setting "document.cookie"

Trying to set cookie below ways and facing issues:

Option1:

document.cookie = name + "=" + value + "; expires=" + date.toUTCString() + "; path=/";


This sets value only till name=value when i recall document.cookie.

Option 2:

document.cookie = "${name}=value";
document.cookie = "expires=${date.toUTCString()}";
document.cookie = "path=/";


This works fine and i am able to read all the values from cookie based on ";" split.

Why this odd behaviour? And in sonarqube report it says assigning document.cookie like the one in option 2 is wrong and its a bug.

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