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You try to call toLowerCase() on an Array which provides no toLowerCase() method. Instead you should specify an item in that array like:

cname = name[0].toLowerCase().replace(/ /g, ''),

This is easy to spot of you open the console of your browser as running it in Chrome gave me this message:

Uncaught TypeError: Object Abraham Lincoln,George Washington has no method 'toLowerCase'

You try to call toLowerCase() on an Array which provides no toLowerCase() method. Instead you should specify an item in that array like:

cname = name[0].toLowerCase().replace(/ /g, ''),

This is easy to spot of you open the console of your browser as running it in Chrome gave me this message:

Uncaught TypeError: Object Abraham Lincoln,George Washington has no method 'toLowerCase'

As comments on your questions indicate you probably don't want to hard code the index of the element but instead use a loop. I tried to fiddle around with your code but it seems some input from #body is missing to get some semantic in your lines so all I can provide is one suggestion how to loop over an array of srings:

var name = ['Abraham Lincoln', 'George Washington'];
$(name).each(function(key, value){
 console.log(value.toLowerCase());
});
​