Write a JavaScript to accept string and convert it into toggle case.[upper to lower and lower to upper vise versa]

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by

rahulmodi6146
in 
<html>  
    <script>  
        function togg(value)  
        {  
            var i;  
            var asci,toggle='',ans;  
            var l=value.length;  
            for(i=0;i<l;i++)  
            {     
                asci=value.charCodeAt(i);  
                if(asci >=97 && asci <=122)  
                {  
                    toggletoggle=toggle.concat(value[i].toUpperCase());  
                }  
                else  
                {  
                    toggletoggle=toggle.concat(value[i].toLowerCase());  
                }  
            }  
            alert(toggle);  
        }  
    </script>  
    <body>  
        <form name="f1">  
           <b>Input string</b>  
           <input type="text" name="txtStr">  
           <input type="button" onclick="togg(document.f1.txtStr.value)" value="toggle">  
        </form>  
    </body>  
</html>

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