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2014/10/16 ¤W¤È 12:03:16
jquery Programming Glossary: everWhat's the difference in the :not() selector between jQuery and CSS? http://stackoverflow.com/questions/10711730/whats-the-difference-in-the-not-selector-between-jquery-and-css Unassigned' #sectors div.unassigned hover opacity 1.0 And everything works flawlessly in modern browsers. Interactive jsFiddle.. use combinators. This works in jQuery but not CSS Grab everything that is neither #foo itself nor within #foo. Notice the.. be much of a problem though IMO as you should rarely ever need to use combinators within the not selector but that's just..
How to stop event bubbling on checkbox click http://stackoverflow.com/questions/1164213/how-to-stop-event-bubbling-on-checkbox-click I want to perform some Ajax action on the click event however the checkbox is also inside a container with it's own click.. test div div id body p Some content p div div body html However I can't figure out how to stop the event bubbling without causing..
Performance difference between jQuery's .live('click', fn) and .click(fn) http://stackoverflow.com/questions/1368223/performance-difference-between-jquerys-liveclick-fn-and-clickfn for using it over click bind 'click' If not why would you ever use click or bind 'click' javascript jquery events share.. share improve this question If not why would you ever use click or bind 'click' Because .live has some significant.. a li .bind click fn is bound you're actually saying Whenever a click event occurs on an LI element or inside an LI element..
Different forms of $(document).ready http://stackoverflow.com/questions/1388043/different-forms-of-document-ready A note in passing function ... is shorter but if you ever want to search for all of your on ready events you might be..
jQuery html() in Firefox (uses .innerHTML) ignores DOM changes http://stackoverflow.com/questions/1388893/jquery-html-in-firefox-uses-innerhtml-ignores-dom-changes value to the innerHTML of the container element only ever returns the value defined in the HTML markup. The sample isn't..
How do I “think in AngularJS” if I have a jQuery background? http://stackoverflow.com/questions/14994391/how-do-i-think-in-angularjs-if-i-have-a-jquery-background in AngularJS in a fraction of the code where suddenly everything becomes comprehensible and straightforward. The bottom.. jQuery. But don't let jQuery become a crutch or you'll never master AngularJS. 3. Always think in terms of architecture First.. at the template knows what's supposed to happen. Whenever a new member of the development team comes on board she can..
Jquery doesn't work after ajax loads http://stackoverflow.com/questions/16062899/jquery-doesnt-work-after-ajax-loads handler to a static exists when the page loads doesn't ever get replaced element which will contain all of your dynamic.. bind an event handler to the entire document so will never get removed until the page unloads which will react to click.. to the mouseenter and mouseleave events. You can however use event delegation document .on mouseenter function this..
Get the offset position of the caret in a textarea in pixels http://stackoverflow.com/questions/16212871/get-the-offset-position-of-the-caret-in-a-textarea-in-pixels of the same size. I have set some CSS to ensure that in every browser the textarea and the div wrap their content in exactly.. can still be improved upon I'm sure I haven't thought of everything that could possibly go wrong and even if I have then I.. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s when an unknown printer took a galley of type..
Why does everyone like jQuery more than prototype/script.aculo.us or MooTools or whatever? [closed] http://stackoverflow.com/questions/176324/why-does-everyone-like-jquery-more-than-prototype-script-aculo-us-or-mootools-or does everyone like jQuery more than prototype script.aculo.us or MooTools.. more than prototype script.aculo.us or MooTools or whatever closed It seems that jQuery has taken the throne for JavaScript.. .parents ' not first ' .show would show all the parents of every input element except the first parent. and probably most of..
http://stackoverflow.com/questions/2660226/should-one-replace-the-usage-addjsondata-of-jqgrid-to-the-usage-of-setgridparam one more option of jqGrid . More than that one can change every .ajax parameter by setting the ajaxGridOptions option of jqGrid... . So I don ™t see why the function addJSONData should be ever used. Can somebody who uses addJSONData function explain to.. to the server as some jkey point job finished . I had several jqgrid some of them inside others jqgrids and some sort of..
How does this JavaScript/JQuery Syntax work: (function( window, undefined ) { })(window)? http://stackoverflow.com/questions/2716069/how-does-this-javascript-jquery-syntax-work-function-window-undefined Syntax work function window undefined window Have you ever taken a look under the hood at the JQuery 1.4 source code and.. so I know some about what's going on here. But I've never seen this particular syntax before. What is that undefined doing..
Client-side javascript to support promises, futures, etc http://stackoverflow.com/questions/3249646/client-side-javascript-to-support-promises-futures-etc the library with best practice solutions. If CommonJS ever makes an official standardization I'd consider releasing a v3.x..
Track event in google analytics upon clicking form submit http://stackoverflow.com/questions/4086587/track-event-in-google-analytics-upon-clicking-form-submit Analytics does not have a callback function so you can't ever be certain you're capturing all of the submits even if you put..
Choosing Mobile Web HTML5 Framework [closed] http://stackoverflow.com/questions/5063117/choosing-mobile-web-html5-framework appears to be in Alpha may be buggy Although I have never worked with M Project myself thanks for pointing it out it does.. This appears to be for iOS only not a good thing if you ever decide to expand your application to Android or some other platform...
javaScript: Can a comma occur after the last set of values in an array? http://stackoverflow.com/questions/5139205/javascript-can-a-comma-occur-after-the-last-set-of-values-in-an-array evil comma of doom it was called once. Conclusion NEVER.. ever use a trailing comma in Javascript. share improve this answer..
Where do you include the jQuery library from? Google JSAPI? CDN? http://stackoverflow.com/questions/547384/where-do-you-include-the-jquery-library-from-google-jsapi-cdn servers. I didn't go with the jsapi method since I don't leverage any other Google API's however if that ever changed then.. method since I don't leverage any other Google API's however if that ever changed then I would consider it... First The Google.. I don't leverage any other Google API's however if that ever changed then I would consider it... First The Google api servers..
http://stackoverflow.com/questions/5874652/prop-vs-attr of the predicted pile of broken websites the jQuery team reverted attr to something close to but not exactly the same as its.. to prefer attr . Original answer If you've only ever used jQuery and not the DOM directly this could be a confusing.. property which has existed and worked flawlessly in every major scriptable browser since 1995 if document.getElementById..
javascript resize event firing multiple times while dragging the resize handle http://stackoverflow.com/questions/667426/javascript-resize-event-firing-multiple-times-while-dragging-the-resize-handle widened the window by 100px and the event was fired for ever pixel of movement. I guess a best bet would be to handle it.. the actual resize event handler after 1 second. Then whenever this flag is true ignore the resize event. Then in the actual.. ignore the resize event. Then in the actual handler once everything is done and correct set the flag back to false. That way..
What's the difference in the :not() selector between jQuery and CSS? http://stackoverflow.com/questions/10711730/whats-the-difference-in-the-not-selector-between-jquery-and-css opacity 0.5 #sectors div.unassigned after content attr id ' Unassigned' #sectors div.unassigned hover opacity 1.0 And everything works flawlessly in modern browsers. Interactive jsFiddle preview But seeing as the not selector in jQuery is based.. can see this is even more inconvenient than point 1. You can't use combinators. This works in jQuery but not CSS Grab everything that is neither #foo itself nor within #foo. Notice the descendant combinator the space between #foo and . not #foo.. so jQuery still has kind of the upper hand here. That shouldn't be much of a problem though IMO as you should rarely ever need to use combinators within the not selector but that's just my take on it . 2 1 Although this article says that you..
How to stop event bubbling on checkbox click http://stackoverflow.com/questions/1164213/how-to-stop-event-bubbling-on-checkbox-click stop event bubbling on checkbox click I have a checkbox that I want to perform some Ajax action on the click event however the checkbox is also inside a container with it's own click behaviour that I don't want to run when the checkbox is clicked... div id header h1 Title h1 input type checkbox name test div div id body p Some content p div div body html However I can't figure out how to stop the event bubbling without causing the default click behaviour checkbox becoming checked..
Performance difference between jQuery's .live('click', fn) and .click(fn) http://stackoverflow.com/questions/1368223/performance-difference-between-jquerys-liveclick-fn-and-clickfn live over click bind 'click' but is there a performance hit for using it over click bind 'click' If not why would you ever use click or bind 'click' javascript jquery events share improve this question If not why would you ever use click.. you ever use click or bind 'click' javascript jquery events share improve this question If not why would you ever use click or bind 'click' Because .live has some significant disadvantages Live events do not bubble in the traditional.. anchor BOTH events will be triggered. This is because when a li .bind click fn is bound you're actually saying Whenever a click event occurs on an LI element or inside an LI element trigger this click event. To stop further processing for a..
Different forms of $(document).ready http://stackoverflow.com/questions/1388043/different-forms-of-document-ready a_function . See the jQuery API docs for much more information. A note in passing function ... is shorter but if you ever want to search for all of your on ready events you might be wishing that you had .ready to search for share improve this..
jQuery html() in Firefox (uses .innerHTML) ignores DOM changes http://stackoverflow.com/questions/1388893/jquery-html-in-firefox-uses-innerhtml-ignores-dom-changes I have a sample below where no matter what you change the textbox value to the innerHTML of the container element only ever returns the value defined in the HTML markup. The sample isn't using jQuery just to make it simpler the result is the same..
How do I “think in AngularJS” if I have a jQuery background? http://stackoverflow.com/questions/14994391/how-do-i-think-in-angularjs-if-i-have-a-jquery-background is that in most cases that jQuery plugin could be rewritten in AngularJS in a fraction of the code where suddenly everything becomes comprehensible and straightforward. The bottom line is this when solutioning first think in AngularJS if you.. that there is no easy solution then feel free to reach for the jQuery. But don't let jQuery become a crutch or you'll never master AngularJS. 3. Always think in terms of architecture First know that single page applications are applications . They're.. two do the same thing but in the AngularJS version anyone looking at the template knows what's supposed to happen. Whenever a new member of the development team comes on board she can look at this and then know that there is a directive called..
Jquery doesn't work after ajax loads http://stackoverflow.com/questions/16062899/jquery-doesnt-work-after-ajax-loads get around this. The basic principle is that you bind an event handler to a static exists when the page loads doesn't ever get replaced element which will contain all of your dynamic AJAX loaded content. You can read more about event delegation.. and this message will still be here. return false That would bind an event handler to the entire document so will never get removed until the page unloads which will react to click events on an element with the id property of click . Ideally.. that function as a convenient shorthand for binding event handlers to the mouseenter and mouseleave events. You can however use event delegation document .on mouseenter function this .stop .animate width xwidth 3 height xheight 3 margin xwidth..
Get the offset position of the caret in a textarea in pixels http://stackoverflow.com/questions/16212871/get-the-offset-position-of-the-caret-in-a-textarea-in-pixels copies the whole text from inside the textarea into a div of the same size. I have set some CSS to ensure that in every browser the textarea and the div wrap their content in exactly the same way. When the textarea is clicked I read out at.. span are equivalent to the caret position. This approach can still be improved upon I'm sure I haven't thought of everything that could possibly go wrong and even if I have then I haven't bothered implementing a fix for all of them as I don't.. is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived..
Why does everyone like jQuery more than prototype/script.aculo.us or MooTools or whatever? [closed] http://stackoverflow.com/questions/176324/why-does-everyone-like-jquery-more-than-prototype-script-aculo-us-or-mootools-or does everyone like jQuery more than prototype script.aculo.us or MooTools or whatever closed It seems that jQuery has taken the throne.. does everyone like jQuery more than prototype script.aculo.us or MooTools or whatever closed It seems that jQuery has taken the throne for JavaScript frameworks and I was wondering exactly why. Is there a.. knowledge I can achieve the results I am after eg ' input' .parents ' not first ' .show would show all the parents of every input element except the first parent. and probably most of all is the extensibility and plugin architecture of jQuery..
http://stackoverflow.com/questions/2660226/should-one-replace-the-usage-addjsondata-of-jqgrid-to-the-usage-of-setgridparam .ajax request by defining of the serializeGridData function one more option of jqGrid . More than that one can change every .ajax parameter by setting the ajaxGridOptions option of jqGrid. I use ajaxGridOptions contentType application json for.. datatype to 'json' inside the above described setGridParam . So I don ™t see why the function addJSONData should be ever used. Can somebody who uses addJSONData function explain to me the advantages of its usage To be fair I can add that addJSONData.. side bank share things my Json data was local only and sent to the server as some jkey point job finished . I had several jqgrid some of them inside others jqgrids and some sort of local browser storage of data which was small enough to stay..
How does this JavaScript/JQuery Syntax work: (function( window, undefined ) { })(window)? http://stackoverflow.com/questions/2716069/how-does-this-javascript-jquery-syntax-work-function-window-undefined does this JavaScript JQuery Syntax work function window undefined window Have you ever taken a look under the hood at the JQuery 1.4 source code and noticed how it's encapsulated in the following way function.. Namespacing and another one called An Important Pair of Parens so I know some about what's going on here. But I've never seen this particular syntax before. What is that undefined doing there And why does window need to be passed and then appear..
Client-side javascript to support promises, futures, etc http://stackoverflow.com/questions/3249646/client-side-javascript-to-support-promises-futures-etc issues and have seen what others have done I continue to update the library with best practice solutions. If CommonJS ever makes an official standardization I'd consider releasing a v3.x that caters to that but currently Futures is fairly simple..
Track event in google analytics upon clicking form submit http://stackoverflow.com/questions/4086587/track-event-in-google-analytics-upon-clicking-form-submit you're worried about. The reason for this is that Google Analytics does not have a callback function so you can't ever be certain you're capturing all of the submits even if you put a 10 second lag. Alternately you can just pass a GET value..
Choosing Mobile Web HTML5 Framework [closed] http://stackoverflow.com/questions/5063117/choosing-mobile-web-html5-framework providing support. M Project MIT license heavy on the JavaScript appears to be in Alpha may be buggy Although I have never worked with M Project myself thanks for pointing it out it does appear to be a very robust and the coding style appears.. might be wise to consider one of these frameworks. Nimblekit This appears to be for iOS only not a good thing if you ever decide to expand your application to Android or some other platform. Wink Toolkit appears to be MIT or some variation there..
javaScript: Can a comma occur after the last set of values in an array? http://stackoverflow.com/questions/5139205/javascript-can-a-comma-occur-after-the-last-set-of-values-in-an-array
Where do you include the jQuery library from? Google JSAPI? CDN? http://stackoverflow.com/questions/547384/where-do-you-include-the-jquery-library-from-google-jsapi-cdn Without a doubt I choose to have JQuery served by Google API servers. I didn't go with the jsapi method since I don't leverage any other Google API's however if that ever changed then I would consider it... First The Google api servers are distributed.. served by Google API servers. I didn't go with the jsapi method since I don't leverage any other Google API's however if that ever changed then I would consider it... First The Google api servers are distributed across the world instead of.. by Google API servers. I didn't go with the jsapi method since I don't leverage any other Google API's however if that ever changed then I would consider it... First The Google api servers are distributed across the world instead of my single server..
http://stackoverflow.com/questions/5874652/prop-vs-attr same but jQuery 1.6.1 changed things slightly in the face of the predicted pile of broken websites the jQuery team reverted attr to something close to but not exactly the same as its old behaviour for Boolean attributes . John Resig also blogged.. the difficulty they were in but still disagree with his recommendation to prefer attr . Original answer If you've only ever used jQuery and not the DOM directly this could be a confusing change although it is definitely an improvement conceptually... the simplest thing in the world to do with the checked Boolean property which has existed and worked flawlessly in every major scriptable browser since 1995 if document.getElementById cb .checked ... The property also makes checking or unchecking..
javascript resize event firing multiple times while dragging the resize handle http://stackoverflow.com/questions/667426/javascript-resize-event-firing-multiple-times-while-dragging-the-resize-handle I need to run but not run 100 times just because the user widened the window by 100px and the event was fired for ever pixel of movement. I guess a best bet would be to handle it once the user has completed the resize. jquery javascript events.. that the user is currently resizing. Set a timeout to call the actual resize event handler after 1 second. Then whenever this flag is true ignore the resize event. Then in the actual handler once everything is done and correct set the flag back.. event handler after 1 second. Then whenever this flag is true ignore the resize event. Then in the actual handler once everything is done and correct set the flag back to false. That way you only process the latest event once every second or some..
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