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How to get values from cookies to set widgets?
How to get values from cookies to set widgets? function getCookieData(labelName) { //from Danny Goodman var labelLen = labelName.length; // read cookie property only once for speed var cookieData = document.cookie; var cLen = cookieData.length; var i = 0; var cEnd; while (i &lt; cLen) { var j = ... 2011-05-24, 4215👍, 0💬

How to disable an HTML object
How to disable an HTML object document.getElementById("myObj ect").disabled= true; 2011-02-15, 4213👍, 0💬

What does JavaScript null mean?
What does JavaScript null mean? The null value is a unique value representing no value or no object. It implies no object, or null string, no valid boolean value, no number and no array object. 2010-12-14, 4213👍, 0💬

How to read and write a file using JavaScript?
How to read and write a file using JavaScript? I/O operations like reading or writing a file is not possible with client-side JavaScript. 2010-06-02, 4200👍, 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, 4198👍, 0💬

How to create arrays in JavaScript?
How to create arrays in JavaScript? We can declare an array like this var scripts = new Array(); We can add elements to this array like this scripts[0] = "PHP"; scripts[1] = "ASP"; scripts[2] = "JavaScript"; scripts[3] = "HTML"; Now our array scrips has 4 elements inside it and we can print or acces... 2010-06-22, 4192👍, 0💬

What does break and continue statements do?
What does break and continue statements do? Continue statement continues the current loop (if label not specified) in a new iteration whereas break statement exits the current loop. 2011-08-16, 4190👍, 0💬

What is a prompt box?
What is a prompt box? A prompt box allows the user to enter input by providing a text box. 2010-11-02, 4190👍, 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, 4178👍, 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, 4177👍, 0💬

What Web sites do you feel use JavaScript most effectively (i.e., best-in-class examples)? The worst?
What Web sites do you feel use JavaScript most effectively (i.e., best-in-class examples)? The worst? The best sites are the ones that use JavaScript so transparently, that I'm not aware that there is any scripting on the page. The worst sites are those that try to impress me with how much scripting... 2010-11-09, 4171👍, 0💬

How to find radio button selection when a form is submitted?
How to find radio button selection when a form is submitted? &lt;script type="text/javascript"> function findButton() { var myForm = document.forms.animalForm; var i; for (i=0;i&lt;myForm.marsupial .length;i++) { if (myForm.marsupial[i].checked) { break; } } alert("You selected \""+myForm.ma... 2011-02-08, 4167👍, 0💬

How to create a function using function constructor?
How to create a function using function constructor? The following example illustrates this. It creates a function called square with argument x and returns x multiplied by itself. var square = new Function ("x","return x*x"); 2011-08-16, 4165👍, 0💬

What does the delete operator do?
What does the delete operator do? The delete operator is used to delete all the variables and objects used in the program ,but it does not delete variables declared with var keyword. 2011-07-12, 4135👍, 0💬

What does isNaN function do?
What does isNaN function do? Return true if the argument is not a number. 2010-08-03, 4133👍, 0💬

Where are cookies actually stored on the hard disk?
Where are cookies actually stored on the hard disk? This depends on the user's browser and OS. In the case of Netscape with Windows, all the cookies are stored in a single file called cookies.txt c:\Program Files\Netscape\Users\username\ cookies.txtIn the case of IE, each cookie is stored in a separ... 2010-07-20, 4125👍, 0💬

Example of using Regular Expressions for syntax checking in JavaScript
Example of using Regular Expressions for syntax checking in JavaScript ... var re = new RegExp("^(&[A-Za-z_0-9]{1, }=[A-Za-z_0-9]{1,})*$");var text = myWidget.value; var OK = re.test(text); if( ! OK ) { alert("The extra parameters need some work.\r\n Should be something like: \"&a=1&c=4\... 2010-07-13, 4119👍, 0💬

What are the problems associated with using JavaScript, and are there JavaScript techniques that you discourage?
What are the problems associated with using JavaScript, and are there JavaScript techniques that you discourage? Browser version incompatibility is the biggest problem. It requires knowing how each scriptable browser version implements its object model. You see, the incompatibility rarely has to do ... 2010-09-21, 4110👍, 0💬

How to create an input box?
How to create an input box? prompt("What is your temperature?"); 2011-03-08, 4108👍, 0💬

How to remove the event listener?
How to remove the event listener? &lt;script type="text/javascript">&lt ;!--document.getElementById("hitme 4").removeEventListener("click ",hitme4, false); // --&gt; &lt;/script> Key Events "onkeydown", "onkeypress", "onkeyup" events are supported both in ie and standards-based browse... 2011-05-31, 4107👍, 0💬

What does undefined value mean in JavaScript?
What does undefined value mean in JavaScript? Undefined value means the variable used in the code doesn't exist or is not assigned any value, or the property doesnt exist. 2011-01-18, 4107👍, 0💬

How to make a array as a stack using JavaScript?
How to make a array as a stack using JavaScript? The pop() and push() functions turn a harmless array into a stack: &lt;script type="text/javascript"> var numbers = ["one", "two", "three", "four"]; numbers.push("five"); numbers.push("six"); document.write(numbers.pop()); document.write(numbers.p... 2011-07-26, 4084👍, 0💬

How to delete an entry using JavaScript?
How to delete an entry using JavaScript? The "delete" operator removes an array element, but oddly does not change the size of the array. &lt;script type="text/javascript"> var days = ["Sunday","Monday","Tuesday"," Wednesday","Thursday","Friday","Saturday" ];document.write("Number of days:"+days... 2011-07-19, 4080👍, 0💬

What is the difference between undefined value and null value?
What is the difference between undefined value and null value? Undefined value cannot be explicitly stated that is there is no keyword called undefined whereas null value has keyword called null. typeof undefined variable or property returns undefined whereas typeof null value returns object 2011-01-18, 4074👍, 0💬

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.NET C C++ CSS DBA General HTML Java JavaScript JSP JUnit MySQL Networking Oracle Perl Perl PHP PL/SQL RSS Software QA SQL Server Struts Unix Windows XHTML XML