<!-- begin snippet: js hide: false console: true babel: false -->
<!-- language: lang-js -->
var str = '"123", "bankole","wale","","","" and ""';
var arr = str.split(',')
var start = str.split(',').slice(0, -1)
var end = arr[arr.length-1];
console.log(start )
console.log(end)
<!-- end snippet -->
<!-- begin snippet: js hide: false console: true babel: false -->
<!-- language: lang-js -->
var myJSONObject = {"ircEvent": "PRIVMSG", "method": "newURI", "regex": "^http://.*"};
delete myJSONObject.regex;
console.log ( myJSONObject.regex); // logs: undefined
<!-- end snippet -->
This works in Firefox and Internet Explorer, and I think it works in all others.
