What is the use of a number object in javascript?
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What are the difference between undefined and not defined in javascript?
What is external javascript?
What does three dots mean in texting?
How can I request data from the server without reloading the page in the browser?
How do I add a javascript event handler to an html page element?
Where do I put javascript in html?
Write a main method that prompts the user to enter the starting population, birth and death rates, and the number of years. The input birth and death rates cannot be negative, the starting population cannot be less than 2, and the number of years greater than 0. If the user enters an invalid value, this program will prompt user to re-enter the value until a valid value has been read. When all input values are valid, call on the methods above to compute estimated population and print result.
Which built-in method returns the index within the calling string object of the first occurrence of the specified value?
What is callback?
Define closure.
What is prototype in javascript and how do you use it?
Do hackers use javascript?