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How about 2+5+8?
How about 2+5+"8"? Since 2 and 5 are integers, this is number arithmetic, since 8 is a string, it’s concatenation, so 78 is the result. 2008-09-16, 5253👍, 0💬

Taking a developer’s perspective, do you think that that JavaScript is easy to learn and use?
Taking a developer’s perspective, do you think that that JavaScript is easy to learn and use? I think JavaScript is easy to learn. One of the reasons JavaScript has the word "script" in it is that as a programming language, the vocabulary of the core language is compact compared to full-fledged prog... 2008-09-09, 5233👍, 0💬

What is the difference between Session State and ViewState?
What is the difference between Session State and ViewState? ViewState is specific to a page in a session. Session state refers to user specific data that can be accessed across all pages in the web application. 2008-09-16, 5205👍, 0💬

Can JavaScript code be broken in different lines?
Can JavaScript code be broken in different lines? Breaking is possible within a string value by using a backslash \ at the end of the line. But this technique can not be used within any other values. For example: document.write("Hello \ world"); 2008-09-03, 5160👍, 0💬

What is "this" keyword?
What is "this" keyword? It refers to the current object. 2008-11-04, 5156👍, 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. 2008-09-03, 5142👍, 0💬

What is JavaScript?
What is JavaScript? JavaScript is a platform-independent, event-driven, interpreted client-side scripting and programming language developed by Netscape Communications Corp. and Sun Microsystems. JavaScript is a general-purpose programming language designed to let programmers of all skill levels con... 2008-03-11, 5115👍, 0💬

What Web sites do you feel use JavaScript most effectively
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... 2008-09-09, 5107👍, 0💬

What does the term sticky session mean in a web-farm scenario?
What does the term sticky session mean in a web-farm scenario? Why would you use a sticky session? What is the potential disadvantage of using a sticky session? Sticky session refers to the feature of many commercial load balancing solutions for web-farms to route the requests for a particular sessi... 2008-11-04, 5085👍, 0💬

How to embed JavaScript in a web page?
How to embed JavaScript in a web page? javascript code can be embedded in a web page between &lt;script langugage="javascript"> your scripts here &lt;/script> tags. 2008-07-17, 5050👍, 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... 2009-01-28, 5045👍, 0💬

How do you assign object properties?
How do you assign object properties? obj["age"] = 17 or obj.age = 17. 2008-10-28, 5037👍, 0💬

How to reload the current page
How to reload the current page window.location.reload(true); 2009-02-10, 5026👍, 0💬

What is variable typing in JavaScript?
What is variable typing in JavaScript? It is perfectly legal to assign a number to a variable and then assign a string to the same variable as in the following example: i = 10; i = "string"; This is called variable typing 2008-11-25, 5001👍, 0💬

How to select an element by id and swapping an image?
How to select an element by id and swapping an image? ... &lt;script language="JavaScript" type="text/javascript" > function setBeerIcon() { var beerIcon = document.getElementById("beerI con");beerIcon.src = "images/"+getSelectValue("beer ")+".jpg";} &lt;/script> ... &lt;img border="0" s... 2008-11-18, 4999👍, 0💬

To set all checkboxes to true using JavaScript?
To set all checkboxes to true using JavaScript? //select all input tags function SelectAll() { var checkboxes = document.getElementsByTagName( "input");for(i=0;i&lt;checkboxes.le ngth;i++){ if(checkboxes.item(i).attribut es["type"].value== "checkbox") { checkboxes.item(i).checked = true; } } } 2008-11-11, 4983👍, 0💬

What looping structures are there in JavaScript?
What looping structures are there in JavaScript? for, while, do-while loops, but no foreach. 2008-09-30, 4971👍, 0💬

How do you create a new object in JavaScript?
How do you create a new object in JavaScript? var obj = new Object(); or var obj = {}; 2008-10-21, 4952👍, 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. 2008-10-21, 4938👍, 0💬

You have an ASP.NET web application running on a web-farm ...
You have an ASP.NET web application running on a web-farm that does not use sticky sessions - so the requests for a session are not guaranteed to be served the same machine. Occasionally, the users get error message Validation of viewstate MAC failed. What could be one reason that is causing this er... 2008-11-11, 4919👍, 0💬

How to set the focus in an element using JavaScript?
How to set the focus in an element using JavaScript? Use the "focus()" method of the element object: &lt;script> function setFocus() { if(focusElement != null) { document.forms[0].elements["my elementname"].focus();} } &lt;/script> 2008-08-19, 4900👍, 0💬

How to create a popup warning box?
How to create a popup warning box? alert('Warning: Please enter an integer between 0 and 100.'); 2009-01-06, 4884👍, 0💬

What’s a quick way to append a value to an array?
What’s a quick way to append a value to an array? arr[arr.length] = value; 2008-10-28, 4882👍, 0💬

How to write messages to the screen without using "document.write()"?
How to write messages to the screen without using "document.write()"? Changing the contents of an element is a much better solution. When the method showStatus is invoked, it will change the content of the span. ... function showStatus(message) { var element = document.getElementById("mysta tus");el... 2008-12-23, 4858👍, 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