Created
February 15, 2018 15:18
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Calls location.replace instead of the default assigning behavior, so that history is not populated with each followed link
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| // Location replacer | |
| addEventListener('click', function (event) { | |
| // Create .which property if not exists | |
| // As far as I've tested, it exists in all modern browsers | |
| if (!event.which && event.button) { | |
| if (event.button & 1) { | |
| event.which = 1; | |
| } else if (event.button & 4) { | |
| event.which = 2; | |
| } else if (event.button & 2) { | |
| event.which = 3; | |
| } | |
| } | |
| // Return, if not left mouse button | |
| if (event.which !== 1) { | |
| return; | |
| } | |
| // Scan for parent <a> element since it can contain other child elements | |
| var target = event.target; | |
| do { | |
| if (target.tagName === 'A') { | |
| // Check if we are going to the same page. target.origin is not supported in Internet Explorer | |
| var targetUrl = target.protocol + '//' + target.host + (target.port ? ':' + target.port : '') + target.pathname + target.search; | |
| // <del>var locationUrl = location.origin + location.pathname + location.search;</del> | |
| // location.origin is null in firefox when on "file:" protocol | |
| // So need to construct an url manually | |
| var locationUrl = location.protocol + '//' + location.host + (location.port ? ':' + location.port : '') + location.pathname + location.search; | |
| if (targetUrl === locationUrl && target.hash !== location.hash) { | |
| // In some browsers, like firefox, without preventDefault glitches may appear | |
| event.preventDefault(); | |
| // Replace instead of assign. This is the main point! | |
| location.replace(target.href); | |
| } | |
| break; | |
| } | |
| } while (target !== this && (target = target.parentElement)) // Don't scan higher than element to which the listener is assigned and not higher than <html> | |
| }, false); |
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