Javascript Normalize - Removes Accents And Others Invalid Chars.

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        // this snippet is useful for making urls slugs, or comparing user inputs to a normalized string.

    var normalize = (function() {
        var from = "ÃÀÁÄÂÈÉËÊÌÍÏÎÒÓÖÔÙÚÜÛãàáäâèéëêìíïîòóöôùúüûÑñÇç", 
            to   = "AAAAAEEEEIIIIOOOOUUUUaaaaaeeeeiiiioooouuuunncc",
            mapping = {};
        
        for(var i=0; i<from.length; i++)
            mapping[from.charAt(i)] = to.charAt(i);
        
        return function(str) {
            var ret = []
            for(var i=0; i<str.length; i++) {
                var c = str.charAt(i)
                if(mapping.hasOwnProperty(str.charAt(i)))
                    ret.push(mapping[c]);
                else
                    ret.push(c);
            }
            return ret.join('').replace(/[^-A-Za-z0-9]+/g, '-').toLowerCase();
        }

    })();

Tags:
• javascript
• normalize
• slug