JavaScript page Jump Methods

First: <script language = "javascript" type = "text/javascript"> window. location. href = "login. jsp? Backurl = "+ window. location. href; </script> type 2: <script language = "javascript"> alert ("return"); window. history. back (-1); </script> 3: <script language = "javascript"> window. navigate ("top. jsp "); </script> Fourth: <script language =" JavaScript "> self.location+'top.htm'; </script> Fifth: <script language = "javascript"> alert ("illegal access! "); Top. location = 'xx. jsp '; </script >==== the selection box in javascript pops up to jump to other pages ===< script language = "javascript"> <! -- Function logout ()... {if (confirm ("are you sure you want to deregister your identity? Yes-Select OK, no-select cancel ")... {window. location. href =" logout. asp? Act = logout "}}--> </script >=== the prompt box in javascript jumps to other pages ===< script language =" javascript "> <! -- Function logout ()... {alert ("are you sure you want to deregister your identity? "); Window. location. href =" logout. asp? Act = logout "} --> </script> window. location =" "; and location. replace (" "); what is the difference? What is the difference between the two websites? For example, can contain parameters, cannot include parameters, and so on. Replace? Or Reload ()? It seems that there is no difference, right? If you have not tried replace (), reload () is to reload this page, and replace () can direct another URL to give you an example: we now have 3 pages (a.html, B .html, c.html). Ignore page. Now, window is used on the B .html page. location. replace ("c.html. location. href ("c.html") into the c.html page. from the user interface, there is no difference, but now the c.html page has a "return" button, using window. location. when href ("c.html" );into the c.html page, When you renew the page, click this "back" button to return to the B .html page, if www.2cto.com and use window. location. replace ("c.html" into the c.html page, the c.html page calls window. history. go (-1); wondow. history. back (); method is not easy to use Will return to a.html. Because window. location. replace ("c.html" contains. Window. location. href ("c.html" example.