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2014/10/16 ¤W¤È 12:02:50
jquery Programming Glossary: declaredwindow.onload vs document.ready jquery http://stackoverflow.com/questions/10778070/window-onload-vs-document-ready-jquery like height isn't available unless it's explicitly declared. window onload waits for the assets in the page to be completely..
http://stackoverflow.com/questions/1180213/the-dollar-sign unnecessary because the jquery object has already been declared in selector Edit Thanks for the answers. It seems very simple..
javascript - How to make this code work? [duplicate] http://stackoverflow.com/questions/16472577/javascript-how-to-make-this-code-work .text new_info Where new_info is a variable that is declared in a higher scope. So far so good. The problem is the function.. even more so. I can't see new_info nor myArray being declared anywhere. The way JS resolves expressions is a tad unfortunate.. Let's look at foo JS is in createGlobal scope var local is declared and assigned 2. foo is used and assigned bar local found in..
http://stackoverflow.com/questions/1916584/jquery-variable-syntax var self 'some string' var self 'another string' These are declared as two different variables. It's like putting underscore before..
how to store an array in jquery cookie? http://stackoverflow.com/questions/1959455/how-to-store-an-array-in-jquery-cookie use to access the array. while hiding direct access to the declared items array this is called closures see http www.jibbering.com..
Looping through Markers with Google Maps API v3 Problem http://stackoverflow.com/questions/2670356/looping-through-markers-with-google-maps-api-v3-problem scope. When you assign a variable that was not previously declared with the var keyword it will be declared as a global variable... not previously declared with the var keyword it will be declared as a global variable. This is often considered an ugly feature..
Cancelling previous ajax request jquery http://stackoverflow.com/questions/4342438/cancelling-previous-ajax-request-jquery trying to achieve is to abort any ajax operations that are declared as DataRequest for example and allow only the latest request..
variable === undefined vs. typeof variable === “undefined” http://stackoverflow.com/questions/4725603/variable-undefined-vs-typeof-variable-undefined jquery undefined share improve this question For undeclared variables typeof foo will return the string literal undefined.. is not defined . For local variables which you know are declared somewhere no such error would occur hence the identity check...
http://stackoverflow.com/questions/4781410/jquery-how-to-get-all-styles-css-defined-within-internal-external-document-w elts selector var rulesUsed main part walking through all declared style rules and checking whether it is applied to some element.. elts selector var rulesUsed main part walking through all declared style rules and checking whether it is applied to some element..
http://stackoverflow.com/questions/4866721/what-are-deferred-objects existing ajax method callbacks can be chained rather than declared in the settings var jqxhr .ajax url example.php .success function..
jQuery question: what does it really mean? http://stackoverflow.com/questions/5305634/jquery-question-what-does-it-really-mean is gives a private scope inside curly braces so any var declared inside is not visible outside makes a private shortcut to jQuery..
Does using $this instead of $(this) provide a performance enhancement? http://stackoverflow.com/questions/5724400/does-using-this-instead-of-this-provide-a-performance-enhancement the variable will only be accessible in the function it is declared in and will not conflict with other functions. Even better jQuery..
What is the difference between $(document).ready(function() and $(function() ? http://stackoverflow.com/questions/593292/what-is-the-difference-between-document-readyfunction-and-function of doing the same thing I see an anonymous function being declared inside a jquery selector here but never actually being invoked..
Whose fault is it? CSS or JavaScript? http://stackoverflow.com/questions/6179174/whose-fault-is-it-css-or-javascript active.addClass 'active' Add active class the active is declared in the rotateSwitch function Slider Animation .image_reel .animate..
jQuery Event Handler created in loop http://stackoverflow.com/questions/7774636/jquery-event-handler-created-in-loop
JavaScript asynchronous return value / assignment with jQuery [duplicate] http://stackoverflow.com/questions/7779697/javascript-asynchronous-return-value-assignment-with-jquery returnValue was in the wrong scope anyway. It needed to be declared in the outer scope of the trackPage function. Even with this..
window.onload vs document.ready jquery http://stackoverflow.com/questions/10778070/window-onload-vs-document-ready-jquery document ready is fired when the DOM has loaded so information like height isn't available unless it's explicitly declared. window onload waits for the assets in the page to be completely loaded so information such as height is now available...
http://stackoverflow.com/questions/1180213/the-dollar-sign both works. Which method is correct and why Is the in selector unnecessary because the jquery object has already been declared in selector Edit Thanks for the answers. It seems very simple and quite clear. Still there seems to be disagreement over..
javascript - How to make this code work? [duplicate] http://stackoverflow.com/questions/16472577/javascript-how-to-make-this-code-work a click handler that basically looks like this function '#box2' .text new_info Where new_info is a variable that is declared in a higher scope. So far so good. The problem is the function object you're creating doesn't have its own copy of whatever.. sense if you ask me. Global variables are evil implied globals even more so. I can't see new_info nor myArray being declared anywhere. The way JS resolves expressions is a tad unfortunate and falls back to creating global variables without so much.. createGlobal var local 2 foo bar local createGlobal Let's look at foo JS is in createGlobal scope var local is declared and assigned 2. foo is used and assigned bar local found in current scope resolves to 2 found in global scope resolves..
http://stackoverflow.com/questions/1916584/jquery-variable-syntax between regular vars and jQuery objects. example var self 'some string' var self 'another string' These are declared as two different variables. It's like putting underscore before private variables. A somewhat popular pattern is var foo..
how to store an array in jquery cookie? http://stackoverflow.com/questions/1959455/how-to-store-an-array-in-jquery-cookie cookie cookie.split new Array Return a object that we can use to access the array. while hiding direct access to the declared items array this is called closures see http www.jibbering.com faq faq_notes closures.html return add function val Add to..
Looping through Markers with Google Maps API v3 Problem http://stackoverflow.com/questions/2670356/looping-through-markers-with-google-maps-api-v3-problem JavaScript does not have block scope. Only functions have scope. When you assign a variable that was not previously declared with the var keyword it will be declared as a global variable. This is often considered an ugly feature or flaw of JavaScript.. Only functions have scope. When you assign a variable that was not previously declared with the var keyword it will be declared as a global variable. This is often considered an ugly feature or flaw of JavaScript as it can silently hide many bugs...
Cancelling previous ajax request jquery http://stackoverflow.com/questions/4342438/cancelling-previous-ajax-request-jquery However this results in NO requests being sent. What I'm trying to achieve is to abort any ajax operations that are declared as DataRequest for example and allow only the latest request to proceed. Currently I have a button that when clicked starts..
variable === undefined vs. typeof variable === “undefined” http://stackoverflow.com/questions/4725603/variable-undefined-vs-typeof-variable-undefined variables and another for locals and properties javascript jquery undefined share improve this question For undeclared variables typeof foo will return the string literal undefined whereas the identity check foo undefined would trigger the..
http://stackoverflow.com/questions/4781410/jquery-how-to-get-all-styles-css-defined-within-internal-external-document-w function subselector return subselector subselector .join elts selector var rulesUsed main part walking through all declared style rules and checking whether it is applied to some element sheets document.styleSheets for var c 0 c sheets.length c.. function subselector return subselector subselector .join elts selector var rulesUsed main part walking through all declared style rules and checking whether it is applied to some element sheets document.styleSheets for var c 0 c sheets.length c..
http://stackoverflow.com/questions/4866721/what-are-deferred-objects .fail function alert .get failed And it seems that the existing ajax method callbacks can be chained rather than declared in the settings var jqxhr .ajax url example.php .success function alert success .error function alert error .complete function..
jQuery question: what does it really mean? http://stackoverflow.com/questions/5305634/jquery-question-what-does-it-really-mean are expected but two are supplied. What it basically does is gives a private scope inside curly braces so any var declared inside is not visible outside makes a private shortcut to jQuery without relying on this shortcut being set globally eg...
Does using $this instead of $(this) provide a performance enhancement? http://stackoverflow.com/questions/5724400/does-using-this-instead-of-this-provide-a-performance-enhancement again always use var to declare new variables. By doing so the variable will only be accessible in the function it is declared in and will not conflict with other functions. Even better jQuery is designed to be used with chaining so take advantage..
What is the difference between $(document).ready(function() and $(function() ? http://stackoverflow.com/questions/593292/what-is-the-difference-between-document-readyfunction-and-function function Your code here... script Are these two ways of doing the same thing I see an anonymous function being declared inside a jquery selector here but never actually being invoked yet by the way the page runs it seems that this may just..
Whose fault is it? CSS or JavaScript? http://stackoverflow.com/questions/6179174/whose-fault-is-it-css-or-javascript .paging a .removeClass 'active' Remove all active class active.addClass 'active' Add active class the active is declared in the rotateSwitch function Slider Animation .image_reel .animate left image_reelPosition 500 Rotation and Timing..
jQuery Event Handler created in loop http://stackoverflow.com/questions/7774636/jquery-event-handler-created-in-loop
JavaScript asynchronous return value / assignment with jQuery [duplicate] http://stackoverflow.com/questions/7779697/javascript-asynchronous-return-value-assignment-with-jquery As a side note I'd like to point out that your var returnValue was in the wrong scope anyway. It needed to be declared in the outer scope of the trackPage function. Even with this fix the concept still doesn't work. share improve this answer..
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