get currrent script url
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function getCurrentScriptUrl() if(document.currentScript) return document.currentScript.src; //chrome firefox opera 32 else try throw Error(); catch(e) if(e.sourceURL) return e.sourceURL;//safari if(e.stack) //ie11 ie10 var arrLines = e.stack.split('\\n'); var last_line = arrLines[arrLines.length - 1]; //something like this --> at Global code (http://localhost:63342/execrise/t.js:34:1) var arrReg = /.*\\((.*)\\:\\d+\\:\\d+\\)/.exec(last_line); var script_url = arrReg[1]; return script_url; var head = document.head || document.getElementsByTagName('head')[0]; var scripts = head.getElementsByTagName('script'); if(navigator.userAgent.indexOf('MSIE') != -1) var script_url = ''; for(var i=0;i<scripts.length;i++) //ie9 ie8 has the whole url, ie7 ie6 ie5 has relative url if('interactive' === scripts[i].readyState) script_url = scripts[i].src; break; ; if(/MSIE 7\\.0/.test(navigator.userAgent) || /MSIE 6\\.0/.test(navigator.userAgent)) //ie7, ie6 add suffix to the relative src script_url = getCurrentPath() + script_url; return script_url; function getCurrentPath() var temp_url = 'blah'; var img = document.createElement('img'); img.src = temp_url; // set string url var folder_path = img.src.replace(temp_url, ''); img.src = null; // no server request return folder_path; document.write(getCurrentScriptUrl())
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