Usage of the jsconfrim Function

First, you must have a function to call the yesno function functionyesno () {if (confirm (& quot; please log in before following! & Quot;) {windowlocationhref & quot; homeloginhtml & quot; click confirm to jump to the page} elsereturnfalse; first, you must have a function to call yesno function yesno () {if (confirm ("Please log in before following! ") {Window. location. href =" home/login.html "; // click confirm to jump to the page} else return false; // click Cancel. the pop-up box is canceled and the page does not move}