I'm using JSLint to go through JavaScript, and it's returning many suggestions to replace == (two equals signs) with === (three equals signs) when doing things like comparing idSele_UNVEHtype.value.
27 It's a little hard to google when all you have are symbols ;) The terms to use are "JavaScript conditional operator". If you see any more funny symbols in JavaScript, you should try looking up JavaScript's operators first: Mozilla Developer Center's list of operators. The one exception you're likely to encounter is the $ symbol.
JavaScript objects consist of properties and methods. for rendering HTML document web browser creates a DOM, in DOM every HTML element is treated as a JavaScript Object which has a set of properties and methods associated with it.
Interestingly, the Array methods in Javascript have been defined in such a way that they work on any object that has a length property. This includes the arguments object. Knowing this, and that the method concat returns a copy of the 'array' it's called on, we can easily convert the arguments object to a real array like this: var args = [].concat.call(arguments). Some people prefer to use ...
I am calculating the number of days between the 'from' and 'to' date. For example, if the from date is 13/04/2010 and the to date is 15/04/2010 the result should be How do I get the result using JavaScript?
window.open will open a new browser with the specified URL. window.location.href will open the URL in the window in which the code is called. Note also that window.open() is a function on the window object itself whereas window.location is an object that exposes a variety of other methods and properties.
The value of this in javascript is dependent always depends on what Object the function is called. The value of this always refers to the object left of the dot from where the function is called. In case of the global scope this is window (or global in nodeJS). Only call, apply and bind can alter the this binding differently.
I have several small div s which are utilizing jQuery draggable. These div s are placed in an UpdatePanel, and on dragstop I use the _doPostBack() JavaScript function, where I extract necessary information from the page's form. My problem is that when I call this function, the whole page is re-loaded, but I only want the update panel to be re-loaded.
