How to write a script manage a list using JavaScript?

Q

✍: Guest

A

1. To remove an item from a list: set it to null:
myList[3] = null;
2. To truncate a list: reset the length property:
myList.length = 2;
3. To delete all items in a list, set the length to 0:
myList.length = 0;

2010-08-24, 4314👍, 0💬

Can JavaScript steal text from your clipboard?
Can JavaScript steal text from your clipboard? It is true, text you last copied for pasting (copy & paste) can be stolen when you visit web sites using a combination of JavaScript and ASP (or PHP, or CGI) to write your possible sensitive data to a database on another server. 2010-08-24, 4633👍, 0💬

How do you assign an object's property in JavaScript?
How do you assign an object's property in JavaScript? A) obj("age") = 30; B) obj.age = 30; C) Both a and b above D) None of the above 2010-08-28, 4550👍, 0💬

What is negative infinity?
What is negative infinity? It’s a number in JavaScript, derived by dividing negative number by zero. 2010-08-10, 4497👍, 0💬

The browser makes an Ajax call by calling the:
The browser makes an Ajax call by calling the: A) send method of the XMLHttpObject. B) sendRequest method of the XMLHttpObject. C) sendAJAXRequest method of the XMLHttpObject. D) sendData method of the XMLHttpObject. 2010-08-28, 4416👍, 0💬

The eval() method is incredibly powerful because it:
The eval() method is incredibly powerful because it: A) allows you to execute snippets of code during execution. B) allows you to evaluate for enough resources. C) allows you to evaluate and validate user input. D) all of the above. 2010-08-28, 4394👍, 0💬

How to write a script manage a list using JavaScript?
How to write a script manage a list using JavaScript? 1. To remove an item from a list: set it to null: myList[3] = null; 2. To truncate a list: reset the length property: myList.length = 2; 3. To delete all items in a list, set the length to 0: myList.length = 0; 2010-08-24, 4315👍, 0💬

Methods GET and POST in HTML forms - what's the difference?.
Methods GET and POST in HTML forms - what's the difference?. GET: Parameters are passed in the querystring. Maximum amount of data that can be sent via the GET method is limited to about 2kb. POST: Parameters are passed in the request body. There is no limit to the amount of data that can be transfe... 2010-08-17, 4306👍, 0💬

What does isNaN function do?
What does isNaN function do? Return true if the argument is not a number. 2010-08-03, 4232👍, 0💬

What is the data types of variables of in JavaScript?
What is the data types of variables of in JavaScript? Number, String, Boolean, Function, Object, Null, Undefined. 2010-08-17, 3999👍, 0💬

All rights in the contents of this web site are reserved by the individual author. fyicenter.com does not guarantee the truthfulness, accuracy, or reliability of any contents.