1// Copyright (C) 2007, Fredrik Kuivinen <frekui@gmail.com> 2// 2007, Petr Baudis <pasky@suse.cz> 3// 2008-2011, Jakub Narebski <jnareb@gmail.com> 4 5/** 6 * @fileOverview Detect if JavaScript is enabled, and pass it to server-side 7 * @license GPLv2 or later 8 */ 9 10 11/* ============================================================ */ 12/* Manipulating links */ 13 14/** 15 * used to check if link has 'js' query parameter already (at end), 16 * and other reasons to not add 'js=1' param at the end of link 17 * @constant 18 */ 19var jsExceptionsRe =/[;?]js=[01]$/; 20 21/** 22 * Add '?js=1' or ';js=1' to the end of every link in the document 23 * that doesn't have 'js' query parameter set already. 24 * 25 * Links with 'js=1' lead to JavaScript version of given action, if it 26 * exists (currently there is only 'blame_incremental' for 'blame') 27 * 28 * To be used as `window.onload` handler 29 * 30 * @globals jsExceptionsRe 31 */ 32functionfixLinks() { 33var allLinks = document.getElementsByTagName("a") || document.links; 34for(var i =0, len = allLinks.length; i < len; i++) { 35var link = allLinks[i]; 36if(!jsExceptionsRe.test(link)) {// =~ /[;?]js=[01]$/; 37 link.href += 38(link.href.indexOf('?') === -1?'?':';') +'js=1'; 39} 40} 41} 42 43/* end of javascript-detection.js */