106 lines
4.3 KiB
HTML
106 lines
4.3 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<script src="naturalSort.js" type="text/javascript"></script>
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<script>
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/* Mike Grier's fixes on v0.2 http://mgrier.com/code/natsort.optimized.txt */
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function naturalSort2(a,b){
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// setup temp-scope variables for comparison evauluation
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var x = a.toString().toLowerCase() || '',
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re=/(-?[0-9.]+)/g,
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y = b.toString().toLowerCase() || '',
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nC = String.fromCharCode(0),
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xN = x.replace( re, nC + '$1' + nC ).split(nC),
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yN = y.replace( re, nC + '$1' + nC ).split(nC),
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xD = (new Date(x)).getTime(),yD;
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if(xD) yD = (new Date(y)).getTime(); //no point in getting yD if xD is not a date
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// natural sorting of dates
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if(yD){ // we already checked if(xD), so if(yD), it's a date, too
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if( xD < yD ) return -1;
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else if( xD > yD ) return 1;
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}
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// natural sorting through split numeric strings and default strings
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var cLoc, numS=Math.max(xN.length,yN.length);
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for(cLoc=0; cLoc<numS; cLoc++){
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// instead of performing these next 6 operations in the if
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// and the same 6 operations in the else if, just do them once
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// so we can reuse results instead of computing twice
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xNcL = xN[cLoc]; // only look up values
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yNcL = yN[cLoc]; // in arrays once
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FxNcL = parseFloat(xNcL);
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FyNcL = parseFloat(yNcL);
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oFxNcL = FxNcL || xNcL;
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oFyNcL = FyNcL || yNcL;
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if(oFxNcL < oFyNcL)return -1;
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else if(oFxNcL > oFyNcL)return 1;
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}
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return 0;
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}
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/*
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* Natural Sort algorithm for Javascript
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* Version 0.3
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* Author: Jim Palmer (based on chunking idea from Dave Koelle)
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* optimizations and safari fix by Mike Grier (mgrier.com)
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* Released under MIT license.
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*/
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function naturalSort3(a, b){
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// setup temp-scope variables for comparison evauluation
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var re = /(-?[0-9\.]+)/g,
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x = a.toString().toLowerCase() || '',
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y = b.toString().toLowerCase() || '',
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nC = String.fromCharCode(0),
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xN = x.replace( re, nC + '$1' + nC ).split(nC),
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yN = y.replace( re, nC + '$1' + nC ).split(nC),
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xD = (new Date(x)).getTime(),
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yD = xD ? (new Date(y)).getTime() : null;
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// natural sorting of dates
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if ( yD )
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if ( xD < yD ) return -1;
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else if ( xD > yD ) return 1;
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// natural sorting through split numeric strings and default strings
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for( var cLoc = 0, numS = Math.max(xN.length, yN.length); cLoc < numS; cLoc++ ) {
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oFxNcL = parseFloat(xN[cLoc]) || xN[cLoc];
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oFyNcL = parseFloat(yN[cLoc]) || yN[cLoc];
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if (oFxNcL < oFyNcL) return -1;
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else if (oFxNcL > oFyNcL) return 1;
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}
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return 0;
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}
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var a = [], b = [], c = [];
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for ( var i = 0; i < 1000; i++ ) {
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a.push(String.fromCharCode( Math.floor(Math.random() * (90-66)) + 65, Math.floor(Math.random() * (90-66)) + 65, Math.floor(Math.random() * (90-66)) + 65 ));
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b.push(String.fromCharCode( Math.floor(Math.random() * (90-66)) + 65, Math.floor(Math.random() * (90-66)) + 65, Math.floor(Math.random() * (90-66)) + 65 ));
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c.push(String.fromCharCode( Math.floor(Math.random() * (90-66)) + 65, Math.floor(Math.random() * (90-66)) + 65, Math.floor(Math.random() * (90-66)) + 65 ));
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}
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for ( i = 0; i < 1000; i++ ) {
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a.push(Math.floor(Math.random() * 9).toString() + Math.floor(Math.random() * 9).toString() + Math.floor(Math.random() * 9).toString() );
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b.push(Math.floor(Math.random() * 9).toString() + Math.floor(Math.random() * 9).toString() + Math.floor(Math.random() * 9).toString() );
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c.push(Math.floor(Math.random() * 9).toString() + Math.floor(Math.random() * 9).toString() + Math.floor(Math.random() * 9).toString() );
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}
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for ( i = 0; i < 1000; i++ ) {
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a.push( (Math.floor(Math.random() * 12) + 1).toString() + '/' + (Math.floor(Math.random() * 28) + 1).toString() + '/' + ( 2009 - Math.floor(Math.random() * 2)) );
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b.push( (Math.floor(Math.random() * 12) + 1).toString() + '/' + (Math.floor(Math.random() * 28) + 1).toString() + '/' + ( 2009 - Math.floor(Math.random() * 2)) );
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c.push( (Math.floor(Math.random() * 12) + 1).toString() + '/' + (Math.floor(Math.random() * 28) + 1).toString() + '/' + ( 2009 - Math.floor(Math.random() * 2)) );
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}
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var d = new Date();
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document.write(a.sort(naturalSort)[0] + ' <BR>[' + ((new Date()).getTime() - d.getTime()) + 'ms]<BR><BR>');
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//d = new Date();
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//document.write(b.sort(naturalSort2)[0] + ' <BR>[' + ((new Date()).getTime() - d.getTime()) + 'ms]<BR><BR>');
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//d = new Date();
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//document.write(c.sort(naturalSort3)[0] + ' <BR>[' + ((new Date()).getTime() - d.getTime()) + 'ms]');
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</script>
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<style>*{font-family:tahoma;font-size:9px;}</style>
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</head>
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<body></body>
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</html>
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