JavaScript access string chars as array

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Accessing characters as numeric properties of a string is non-standard prior to ECMAScript 5 and doesn’t work in all browsers (for example, it doesn’t work in IE 6 or 7). You should use myString.charAt(0) instead when your code has to work in non-ECMAScript 5 environments. Alternatively, if you’re going to be accessing a lot of characters in the string then you can turn a string into an array of characters using its split() method:

var myString = "Hello!";
var strChars = myString.split("");
alert(strChars[0]);

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