Difference between window location href window location replace and window location assign

Question

What is the difference between    window location href  http   example com   window location replace  http   example com    window location assign  http   example com      I read in many forums that window location assign   just replaces the current session history and hence back button of browser will not function  However  I am not able to reproduce this    function fnSetVariable           window location href    http   example com       window location replace  http   example com          window location assign  http   example com        lt a onmouseover  fnSetVariable         href  PageCachingByParam aspx id 12   gt     CLICK   lt  a gt

User · Answer

These do the same thing  window location assign url   window location   url  window location href   url   They simply navigate to the new URL  The replace method on the other hand navigates to the URL without adding a new record to the history  So  what you have read in those many forums is not correct  The assign method does add a new record to the history  Reference  https   developer mozilla org en-US docs Web API Window location

User · Answer

The part about not being able to use the Back button is a common misinterpretation  window location replace URL  throws out the top ONE entry from the page history list  by overwriting it with the new entry  so the user can t easily go Back to that ONE particular webpage  The function does NOT wipe out the entire page history list  nor does it make the Back button completely non-functional    NO function nor combination of parameters that I know of can change or overwrite history list entries that you don t own absolutely for certain - browsers generally impelement this security limitation by simply not even defining any operation that might at all affect any entry other than the top one in the page history list  I shudder to think what sorts of dastardly things malware might do if such a function existed    If you really want to make the Back button non-functional  probably not  user friendly   think again if that s really what you want to do    open  a brand new window   You can  open  a popup that doesn t even have a  Back  button too     but popups aren t very popular these days -  If you want to keep your page showing no matter what the user does  again the  user friendliness  is questionable   set up a window onunload handler that just reloads your page all over again clear from the very beginning every time

[javascript] Difference between window.location.href, window.location.replace and window.location.assign

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