Bookmarklet to allow sorting a table by column header

table_sort.js

javascript:(function()%7Bfunction getElIndex(e)%7Bfor(var t%3D0%3Be%3De.previousElementSibling%3Bt%2B%2B)%3Breturn t%7Dfunction getNearestTableAncestor(e)%7Bfor(%3Be%3B)if("table"%3D%3D%3D(e%3De.parentNode).tagName.toLowerCase())return e%7Dfunction tableIsEven(e)%7Bif(!e.tHead)return!1%3Breturn e.tHead.getElementsByTagName("th").length%3D%3De.tBodies%5B0%5D.getElementsByTagName("tr")%5B0%5D.getElementsByTagName("td").length%7Dfunction sort_table(e,t,n)%7Bvar r,a,o,l,i%3De.rows,s%3Di.length,c%3D%5B%5D%3B%0A// fill the array with values from the table%0Afor(r%3D0%3Bs>r%3Br%2B%2B)for(l%3D(o%3Di%5Br%5D.cells).length,c%5Br%5D%3D%5B%5D,a%3D0%3Bl>a%3Ba%2B%2B)c%5Br%5D%5Ba%5D%3Do%5Ba%5D.innerHTML%3Bfor(%0A// sort the array by the specified column number (col) and order (asc)%0Ac.sort(function(e,r)%7Bvar a%3De%5Bt%5D.replace(/<%5B%5E>%5D*>/g,"").trim(),o%3Dr%5Bt%5D.replace(/<%5B%5E>%5D*>/g,"").trim()%3Breturn isNaN(parseInt(a))%7C%7CisNaN(parseInt(o))%3Fa%3D%3Do%3F0:a>o%3Fn:-1*n:parseInt(a)%3D%3DparseInt(o)%3F0:parseInt(a)>parseInt(o)%3Fn:-1*n%7D),r%3D0%3Bs>r%3Br%2B%2B)c%5Br%5D%3D"<td>"%2Bc%5Br%5D.join("</td><td>")%2B"</td>"%3Be.innerHTML%3D"<tr>"%2Bc.join("</tr><tr>")%2B"</tr>"%7Dfunction addDownloadLink(e)%7Bvar t%3Ddocument.createElement("a"),n%3Ddocument.createTextNode("Export")%3Bt.appendChild(n),t.title%3D"Export",t.href%3D"%23",t.id%3D"export",t.style.float%3D"right",t.onclick%3Dfunction(t)%7BdownloadCSV(e),t.preventDefault()%7D,e.parentElement.insertBefore(t,e)%7Dfunction downloadCSV(e)%7Bvar t%3Dprompt("Enter a filename:","filename.csv")%3Bif(t%26%26t.length)%7B-1%3D%3Dt.indexOf(".csv")%26%26(t%2B%3D".csv")%3Bvar n%3Dtable2csv(e),r%3D"data:text/csv%3Bcharset%3DUTF-8,"%2BencodeURIComponent(n),a%3Ddocument.createElement("a"),o%3Ddocument.createTextNode("Export")%3Ba.appendChild(o),a.title%3D"Export",a.href%3Dr,a.download%3Dt,a.click()%7D%7Dfunction table2csv(e)%7Bfunction t(e)%7Bvar t%3De.join("")%3B// to remove any blank rows%0A// alert(tmp)%3B%0Aif(e.length>0%26%26""!%3Dt)%7Bvar n%3De.join(",")%3Br%5Br.length%5D%3Dn%7D%7Dfunction n(e)%7B%0A// replace " with %25u201C%0Avar t%3DRegExp(/%5B"%5D/g),n%3De.replace(t,"%25u201C")%3Bt%3DRegExp(/%5C<%5B%5E%5C<%5D%2B%5C>/g)%3Breturn""%3D%3D(n%3Dn.replace(t,""))%3F"":%27"%27%2Bn%2B%27"%27%7Dfor(var r%3D%5B%5D,a%3D%5B%5D,o%3De.getElementsByTagName("th"),l%3D0%3Bl<o.length%3Bl%2B%2B)a%5Ba.length%5D%3Dn(o%5Bl%5D.innerHTML.trim())%3Bt(a)%3Bvar i%3De.getElementsByTagName("tr")%3Bfor(l%3D0%3Bl<i.length%3Bl%2B%2B)%7Ba%3D%5B%5D%3Bfor(var s%3Di%5Bl%5D.getElementsByTagName("td"),c%3D0%3Bc<s.length%3Bc%2B%2B)%7Bvar g%3Ds%5Bc%5D%3Ba%5Ba.length%5D%3Dn(g.innerHTML.trim())%7Dt(a)%7Dreturn r.join("%5Cn")%7Dfor(var tables%3Ddocument.getElementsByTagName("table"),x%3D0%3Bx<tables.length%3Bx%2B%2B)%7Bvar table%3Dtables%5Bx%5D%3Bif(tableIsEven(table))%7Btable.style.borderColor%3D"blue",table.style.borderWidth%3D"5px"%3Bfor(var columns%3Dtable.getElementsByTagName("th"),y%3D0%3By<columns.length%3By%2B%2B)columns%5By%5D.onclick%3Dfunction()%7Bvar e%3DgetNearestTableAncestor(this),t%3DgetElIndex(this)%3Bconsole.log("sorting: "%2Bt),e.sort*%3D-1,sort_table(e.tBodies%5B0%5D,t,e.sort)%7D%3Btable.sort%3D1,addDownloadLink(table)%7D%7D%7D)()%3B