browser-state | 易学教程

Does back/forward in the browser change javascript variables?

阅读更多关于 Does back/forward in the browser change javascript variables?

问题 <script type="text/javascript> var x = 0; //this occurs in the beginning of the page. $("#button").onclick{ x = 1; } </script> Let's say the variable "x" changes to 1. Then the user clicks a link. When the user clicks "back", will x be 0 or 1? 回答1: It will be 0 . The browser does not cache the state of Javascript variables between page loads. Update This is not the case in browsers such as Firefox. Please see Trey's answer. 回答2: As detailed in another question, the real answer to this

Can you use hash navigation without affecting history?

阅读更多关于 Can you use hash navigation without affecting history?

I'm afraid it might be impossible but is there a way to change the hash value of a URL without leaving an entry in the browser's history and without reloading ? Or do the equivalent? As far as specifics go, I was developing some basic hash navigation along the lines of: //hash nav -- works with js-tabs var getHash = window.location.hash; var hashPref = "tab-"; function useHash(newHash) { //set js-tab according to hash newHash = newHash.replace('#'+hashPref, ''); $("#tabs li a[href='"+ newHash +"']").click(); } function setHash(newHash) { //set hash according to js-tab window.location.hash =

jQuery - hashchange event

阅读更多关于 jQuery - hashchange event

I am using: $(window).bind( 'hashchange', function(e) { }); to bind a function to the hash change event. This seems to work in IE8, Firefox and Chrome, but not in Safari and I assume not in earlier version of IE. For these browsers, I want to disable my JavaScript code that uses the hash and hashchange event. Is there a way with jQuery that i can detect if the browser supports the hashchange event? Maybe something with jQuery.support ... You can detect if the browser supports the event by: if ("onhashchange" in window) { //... } See also: Detecting event support without browser sniffing

jQuery - hashchange event

阅读更多关于 jQuery - hashchange event

问题 I am using: $(window).bind( \'hashchange\', function(e) { }); to bind a function to the hash change event. This seems to work in IE8, Firefox and Chrome, but not in Safari and I assume not in earlier version of IE. For these browsers, I want to disable my JavaScript code that uses the hash and hashchange event. Is there a way with jQuery that i can detect if the browser supports the hashchange event? Maybe something with jQuery.support ... 回答1: You can detect if the browser supports the event