// changed at Fri May 04 2012 11:38:06 GMT+0200 (Mitteleuropäische Sommerzeit) by undefined  
this.addScript(function format() {
        var text = this.textString;
        
        var i = 0;
        var tokens = {};
        
        while(text.match(/([=\(:;][\n ]*)(\/([^\n\/]|\\\/)+[^\\]\/)/)){
            tokens[i] =  text.match(/([=\(:;][\n ]*)(\/([^\n\/]|\\\/)+[^\\]\/)/)[2];
            text = text.replace(/([=\(:;][\n ]*)(\/([^\n\/]|\\\/)+[^\\]\/)/, "$1\u0007"+i);
            i++;
        }
        
        while(text.match(/"[^"\n]*"/)){
            tokens[i] =  text.match(/"[^"]*"/)[0];
            text = text.replace(/"[^"]*"/, "\u0007"+i);
            i++;
        }
        while(text.match(/'[^'\n]*'/)){
            tokens[i] =  text.match(/'[^']*'/)[0];
            text =  text.replace(/'[^']*'/, "\u0007"+i);
            i++;
        }
        
        while(text.match(/\/\/[^\n]*\n/)){
            tokens[i] = text.match(/\/\/[^\n]*\n/)[0];
            text =  text.replace(/\/\/[^\n]*\n/, "\u0007"+i);
            i++;
        }
        
        while(text.match(/\/\*(.|\n)*?\*\//)){
            tokens[i] = text.match(/\/\*(.|\n)*?\*\//)[0];
            text = text.replace(/\/\*(.|\n)*?\*\//, "\u0007"+i);
            i++;
        }
        
        if(this.doInsertLinebreaks){
            text = this.insertLinebreaks_noStrings(text);
        }
        if(this.doInsertWhitespace){
            text = this.insertSpaces_noStrings(text);
        }
        text = this.indent_noStrings(text);
        
        while(i > 0){
            i--;
            text= text.replace(new RegExp("\u0007"+i),tokens[i]);
        }
        
        this.textString = text;
}).tag([]);

Print it pretty

Insert Linebreaks

Insert Whitespace

Pretty Print Javascript

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