javascript - Getting the URL in jQuery and creating a post link ajax -


i have url looks like.... 

/page/sub/25/ --- edit page id @% /page/sub  ---new page has no id

the last part of url id (if not new page there not id).

i need in jquery last part of url , send post. example...

 $.ajax(             {                 type: "post",                 url: urlvar,                  data: "site="+encodeuricomponent(json.stringify(site)),                 datatype: "json",                 },

where urlvar if has id be

page/update/25

and if not 

/page/update

how can generate urlvar based on current url this?

try this:

var href = window.location.href; var val = href.substr(href.lastindexof('sub') + 4).replace('/', ''); var urlvar = ''; if (val !== '') urlvar = 'page/update/' + val; else urlvar = '/page/update'; alert(urlvar);

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