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2014/10/16 ¤W¤È 12:10:44
jquery Programming Glossary: you'rehttp://stackoverflow.com/questions/1051782/jquery-this-vs-this share improve this question Yes you only need when you're using jQuery. If you want jQuery's help to do DOM things just..
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 for models and controllers. This is really tempting when you're just starting out which is why I always recommend that new AngularJS.. . If you come from a server side language from Java to PHP you're probably familiar with this concept already but if you're a.. you're probably familiar with this concept already but if you're a client side guy coming from jQuery this concept can seem anything..
http://stackoverflow.com/questions/171027/add-table-row-in-jquery you suggest is not guaranteed to give you the result you're looking for what if you had a tbody for example table id myTable..
Escaping HTML strings with jQuery http://stackoverflow.com/questions/24816/escaping-html-strings-with-jquery string escaping share improve this question Since you're using jQuery you can just set the element's text property before..
jQuery $(document).ready and UpdatePanels? http://stackoverflow.com/questions/256195/jquery-document-ready-and-updatepanels
How do I select text nodes with jQuery? http://stackoverflow.com/questions/298750/how-do-i-select-text-nodes-with-jquery function return this.nodeType 3 getTextNodesIn el Note If you're using jQuery 1.7 or earlier the code above will not work. To..
XmlHttpRequest error: Origin null is not allowed by Access-Control-Allow-Origin http://stackoverflow.com/questions/3595515/xmlhttprequest-error-origin-null-is-not-allowed-by-access-control-allow-origin people here are the simple troubleshooting instructions If you're trying to use JSONP make sure one of the following is the case.. You're using .getJSON and included callback in the URL. If you're trying to do a cross domain XMLHttpRequest via CORS... Make.. to do a cross domain XMLHttpRequest via CORS... Make sure you're testing via http . Scripts running via file have limited support..
jQuery Ajax error handling, show custom exception messages http://stackoverflow.com/questions/377644/jquery-ajax-error-handling-show-custom-exception-messages exceptions share improve this question Make sure you're setting Response.StatusCode to something other than 200. Write..
How do I check a checkbox with jQuery? http://stackoverflow.com/questions/426258/how-do-i-check-a-checkbox-with-jquery .removeAttr 'checked' Any version of jQuery If you're working with just one element it will always be fastest to use..
When to use Vanilla JavaScript vs. jQuery? http://stackoverflow.com/questions/4651923/when-to-use-vanilla-javascript-vs-jquery There will be times when performance is crucial. Like if you're performing something in a loop many times over you may want..
Official way to ask jQuery wait for all images to load before executing something http://stackoverflow.com/questions/544993/official-way-to-ask-jquery-wait-for-all-images-to-load-before-executing-somethin to load before executing code inside function . So if you're using that platform you'll get the behavior I'm looking for..
http://stackoverflow.com/questions/5874652/prop-vs-attr properties and attributes. This is a good thing. If you're a jQuery developer and are confused by this whole business about..
http://stackoverflow.com/questions/610995/cant-append-script-element directly by which I mean creating the HTML from text like you're trying with the script tag but when you do them with built in..
Strip HTML from Text JavaScript http://stackoverflow.com/questions/822452/strip-html-from-text-javascript jquery html string share improve this question If you're running in a browser then the easiest way is just to let the..
Origin null is not allowed by Access-Control-Allow-Origin http://stackoverflow.com/questions/8456538/origin-null-is-not-allowed-by-access-control-allow-origin Origin null is the local file system so that suggests that you're loading the HTML page that does the load call via a file URL.. the Same Origin Policy to local files. My guess is that you're seeing this using Chrome. Chrome's rules for applying the SOP.. with local resources isn't going to work cross browser. If you're just testing something locally that you'll really be deploying..
http://stackoverflow.com/questions/1025935/capture-event-onclose-browser javascript jquery events share improve this question You're looking for the onclose event. see https developer.mozilla.org..
Why define anonymous function and pass it jQuery as the argument? http://stackoverflow.com/questions/10371539/why-define-anonymous-function-and-pass-it-jquery-as-the-argument creating more DOMREady functions when you do move things. You're likely going to use a DOMReady function still even if you define..
Jquery doesn't work after ajax loads http://stackoverflow.com/questions/16062899/jquery-doesnt-work-after-ajax-loads colorbox and there's no way to delegate those to elements. You're going to have to simply call those lines again when you've loaded..
How to create a JQuery Clock / Timer http://stackoverflow.com/questions/2604450/how-to-create-a-jquery-clock-timer jquery timer clock share improve this question You're looking for the setInterval function which runs a function every..
Javascript regex returning true.. then false.. then true.. etc [duplicate] http://stackoverflow.com/questions/2630418/javascript-regex-returning-true-then-false-then-true-etc share improve this question ^ ^ _ a z0 9 _ 4 20 ^ _ gi You're using a g global RegExp . In JavaScript global regexen have.. allow any character at each end ie. plop would be valid. You're probably thinking of lookahead lookbehind assertions but they're..
Is there a 'has focus' in JavaScript (or jQuery)? http://stackoverflow.com/questions/2683742/is-there-a-has-focus-in-javascript-or-jquery jQuery.expr ' ' focus a document.activeElement You're defining a new selector. See Plugins Authoring . Then you can..
Uncaught Error: SECURITY_ERR: DOM Exception 18 when I try to set a cookie http://stackoverflow.com/questions/2704929/uncaught-error-security-err-dom-exception-18-when-i-try-to-set-a-cookie jquery html domexception share improve this question You're most likely using this on a local file over the file URI scheme..
Prevent double submission of forms in jQuery http://stackoverflow.com/questions/2830542/prevent-double-submission-of-forms-in-jquery problem is this line 'input' .attr 'disabled' 'disabled' You're disabling ALL the inputs including I'd guess the ones whose..
http://stackoverflow.com/questions/325085/when-to-prefer-json-over-xml JSON when any of these is true You need message validation You're using XSLT Your messages include a lot of marked up text You.. be validated or validating their deserialization is simple You're not transforming messages or transforming their deserialization..
XmlHttpRequest error: Origin null is not allowed by Access-Control-Allow-Origin http://stackoverflow.com/questions/3595515/xmlhttprequest-error-origin-null-is-not-allowed-by-access-control-allow-origin to use JSONP make sure one of the following is the case You're using .get and set dataType to jsonp . You're using .getJSON.. is the case You're using .get and set dataType to jsonp . You're using .getJSON and included callback in the URL. If you're trying..
jQuery UI Dialog Box - Close Function http://stackoverflow.com/questions/366854/jquery-ui-dialog-box-close-function jquery jquery ui share improve this question You're actually supposed to use #terms .dialog autoOpen false to initialize..
Difference between $.ajax() and $.get() and $.load() http://stackoverflow.com/questions/3870086/difference-between-ajax-and-get-and-load you get fine grained control over HTTP headers and such. You're also able to get direct access to the XHR object using this..
How to detect if two divs touch with jquery? http://stackoverflow.com/questions/5419134/how-to-detect-if-two-divs-touch-with-jquery touch each other. jquery share improve this question You're looking for bounding box collision detection. If you want to..
jquery ajax, read the stream incrementally? http://stackoverflow.com/questions/7740646/jquery-ajax-read-the-stream-incrementally polling http streaming share improve this question You're going to want to use straight up javascript for this. The reason..
WebKit issues with event.layerX and event.layerY http://stackoverflow.com/questions/7825448/webkit-issues-with-event-layerx-and-event-layery probably copies those properties into the jQuery object. You're exactly correct so it sounds like you already know Hopefully..
how to break the .each function in underscore.js http://stackoverflow.com/questions/8779799/how-to-break-the-each-function-in-underscore-js will alert 1 through 3 and then break out of the loop. You're using underscore.js so you'll be pleased to learn that it does..
Using jQuery to test if an input has focus http://stackoverflow.com/questions/967096/using-jquery-to-test-if-an-input-has-focus out all elements except form controls and hyperlinks. You're defining a new selector. See Plugins Authoring . Then you can..
http://stackoverflow.com/questions/1051782/jquery-this-vs-this jQuery only functions. Is this correct javascript jquery this share improve this question Yes you only need when you're using jQuery. If you want jQuery's help to do DOM things just keep this in mind. this 0 this Basically every time you get..
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 does X Y and Z so I'll just add AngularJS on top of that for models and controllers. This is really tempting when you're just starting out which is why I always recommend that new AngularJS developers don't use jQuery at all at least until they.. out with separation of concerns is dependency injection DI . If you come from a server side language from Java to PHP you're probably familiar with this concept already but if you're a client side guy coming from jQuery this concept can seem anything.. . If you come from a server side language from Java to PHP you're probably familiar with this concept already but if you're a client side guy coming from jQuery this concept can seem anything from silly to superfluous to hipster. But it's not...
http://stackoverflow.com/questions/171027/add-table-row-in-jquery table html table share improve this question The approach you suggest is not guaranteed to give you the result you're looking for what if you had a tbody for example table id myTable tbody tr ... tr tr ... tr tbody table You would end up..
Escaping HTML strings with jQuery http://stackoverflow.com/questions/24816/escaping-html-strings-with-jquery framework at the moment to accomplish this. javascript jquery string escaping share improve this question Since you're using jQuery you can just set the element's text property before div class someClass text div var someHtmlString script..
jQuery $(document).ready and UpdatePanels? http://stackoverflow.com/questions/256195/jquery-document-ready-and-updatepanels
How do I select text nodes with jQuery? http://stackoverflow.com/questions/298750/how-do-i-select-text-nodes-with-jquery el return el .find not iframe .addBack .contents .filter function return this.nodeType 3 getTextNodesIn el Note If you're using jQuery 1.7 or earlier the code above will not work. To fix this replace addBack with andSelf . andSelf is deprecated..
XmlHttpRequest error: Origin null is not allowed by Access-Control-Allow-Origin http://stackoverflow.com/questions/3595515/xmlhttprequest-error-origin-null-is-not-allowed-by-access-control-allow-origin a CORS request from a file URL. To clarify for other people here are the simple troubleshooting instructions If you're trying to use JSONP make sure one of the following is the case You're using .get and set dataType to jsonp . You're using.. is the case You're using .get and set dataType to jsonp . You're using .getJSON and included callback in the URL. If you're trying to do a cross domain XMLHttpRequest via CORS... Make sure you're testing via http . Scripts running via file have.. .getJSON and included callback in the URL. If you're trying to do a cross domain XMLHttpRequest via CORS... Make sure you're testing via http . Scripts running via file have limited support for CORS. Make sure the browser actually supports CORS..
jQuery Ajax error handling, show custom exception messages http://stackoverflow.com/questions/377644/jquery-ajax-error-handling-show-custom-exception-messages am going wrong. What can I do to fix this problem jquery custom exceptions share improve this question Make sure you're setting Response.StatusCode to something other than 200. Write your exception's message using Response.Write then use.....
How do I check a checkbox with jQuery? http://stackoverflow.com/questions/426258/how-do-i-check-a-checkbox-with-jquery and for un checking by removing the attribute entirely do '.myCheckbox' .removeAttr 'checked' Any version of jQuery If you're working with just one element it will always be fastest to use DOMElement.checked true . The benefit to using the .prop..
When to use Vanilla JavaScript vs. jQuery? http://stackoverflow.com/questions/4651923/when-to-use-vanilla-javascript-vs-jquery where it is valid to have a src ...I think you get the idea. There will be times when performance is crucial. Like if you're performing something in a loop many times over you may want to ditch jQuery. In general you can replace el .attr 'someName'..
Official way to ask jQuery wait for all images to load before executing something http://stackoverflow.com/questions/544993/official-way-to-ask-jquery-wait-for-all-images-to-load-before-executing-somethin in Internet Explorer which actually does wait for all images to load before executing code inside function . So if you're using that platform you'll get the behavior I'm looking for instead of the correct behavior described above. jquery share..
http://stackoverflow.com/questions/5874652/prop-vs-attr developers will have to learn a bit about the difference between properties and attributes. This is a good thing. If you're a jQuery developer and are confused by this whole business about properties and attributes you need to take a step back..
http://stackoverflow.com/questions/610995/cant-append-script-element some browsers don't respect some changes when you do them directly by which I mean creating the HTML from text like you're trying with the script tag but when you do them with built in commands things go better. Try this var script document.createElement..
Strip HTML from Text JavaScript http://stackoverflow.com/questions/822452/strip-html-from-text-javascript string of html in JavaScript and strip out the html javascript jquery html string share improve this question If you're running in a browser then the easiest way is just to let the browser do it for you... function strip html var tmp document.createElement..
Origin null is not allowed by Access-Control-Allow-Origin http://stackoverflow.com/questions/8456538/origin-null-is-not-allowed-by-access-control-allow-origin be great. jquery html share improve this question Origin null is the local file system so that suggests that you're loading the HTML page that does the load call via a file URL e.g. just double clicking it in a local file browser or similar.. . Different browsers take different approaches to applying the Same Origin Policy to local files. My guess is that you're seeing this using Chrome. Chrome's rules for applying the SOP to local files are very tight it disallows even loading files.. limited access to local files. But basically using ajax with local resources isn't going to work cross browser. If you're just testing something locally that you'll really be deploying to the web rather than use local files install a simple web..
http://stackoverflow.com/questions/1025935/capture-event-onclose-browser capture event close browser window in jQuery or javascript javascript jquery events share improve this question You're looking for the onclose event. see https developer.mozilla.org en DOM window.onclose note that not all browsers support..
Why define anonymous function and pass it jQuery as the argument? http://stackoverflow.com/questions/10371539/why-define-anonymous-function-and-pass-it-jquery-as-the-argument as you can move things around without having to worry about creating more DOMREady functions when you do move things. You're likely going to use a DOMReady function still even if you define your Backbone objects somewhere else. The reason is that..
Jquery doesn't work after ajax loads http://stackoverflow.com/questions/16062899/jquery-doesnt-work-after-ajax-loads not all you're doing. You also initialise a jQuery plugin colorbox and there's no way to delegate those to elements. You're going to have to simply call those lines again when you've loaded your AJAX content the simplest way would be to move those..
How to create a JQuery Clock / Timer http://stackoverflow.com/questions/2604450/how-to-create-a-jquery-clock-timer also event timers which are not what I'm looking for... javascript jquery timer clock share improve this question You're looking for the setInterval function which runs a function every x milliseconds. For example var start new Date setInterval..
Javascript regex returning true.. then false.. then true.. etc [duplicate] http://stackoverflow.com/questions/2630418/javascript-regex-returning-true-then-false-then-true-etc search results span javascript jquery html ajax regex share improve this question ^ ^ _ a z0 9 _ 4 20 ^ _ gi You're using a g global RegExp . In JavaScript global regexen have state you call them with exec test etc. the first time you get.. I don't think you want ^ _ at the front and back. That will allow any character at each end ie. plop would be valid. You're probably thinking of lookahead lookbehind assertions but they're not available in JavaScript. Well lookahead is supposed..
Is there a 'has focus' in JavaScript (or jQuery)? http://stackoverflow.com/questions/2683742/is-there-a-has-focus-in-javascript-or-jquery but yes there is a more elegant way you can do it jQuery.extend jQuery.expr ' ' focus a document.activeElement You're defining a new selector. See Plugins Authoring . Then you can do if ... .is focus ... or input focus .doStuff share improve..
Uncaught Error: SECURITY_ERR: DOM Exception 18 when I try to set a cookie http://stackoverflow.com/questions/2704929/uncaught-error-security-err-dom-exception-18-when-i-try-to-set-a-cookie get the same error when I use this jQuery plugin. javascript jquery html domexception share improve this question You're most likely using this on a local file over the file URI scheme which cannot have cookies set. Put it on a local server..
Prevent double submission of forms in jQuery http://stackoverflow.com/questions/2830542/prevent-double-submission-of-forms-in-jquery form post share improve this question I think that your problem is this line 'input' .attr 'disabled' 'disabled' You're disabling ALL the inputs including I'd guess the ones whose data the form is supposed to submit. To disable just the submit..
http://stackoverflow.com/questions/325085/when-to-prefer-json-over-xml xml json share improve this question Favor XML over JSON when any of these is true You need message validation You're using XSLT Your messages include a lot of marked up text You need to interoperate with environments that don't support JSON.. over XML when all of these are true Messages don't need to be validated or validating their deserialization is simple You're not transforming messages or transforming their deserialization is simple Your messages are mostly data not marked up text..
XmlHttpRequest error: Origin null is not allowed by Access-Control-Allow-Origin http://stackoverflow.com/questions/3595515/xmlhttprequest-error-origin-null-is-not-allowed-by-access-control-allow-origin are the simple troubleshooting instructions If you're trying to use JSONP make sure one of the following is the case You're using .get and set dataType to jsonp . You're using .getJSON and included callback in the URL. If you're trying to do a.. If you're trying to use JSONP make sure one of the following is the case You're using .get and set dataType to jsonp . You're using .getJSON and included callback in the URL. If you're trying to do a cross domain XMLHttpRequest via CORS... Make sure..
jQuery UI Dialog Box - Close Function http://stackoverflow.com/questions/366854/jquery-ui-dialog-box-close-function .dialog close close function ev ui this .remove Thanks javascript jquery jquery ui share improve this question You're actually supposed to use #terms .dialog autoOpen false to initialize it. Then you can use '#terms' .dialog 'open' to open..
Difference between $.ajax() and $.get() and $.load() http://stackoverflow.com/questions/3870086/difference-between-ajax-and-get-and-load this question .ajax is the most configurable one where you get fine grained control over HTTP headers and such. You're also able to get direct access to the XHR object using this method. Slightly more fine grained error handling is also provided...
How to detect if two divs touch with jquery? http://stackoverflow.com/questions/5419134/how-to-detect-if-two-divs-touch-with-jquery is that I'm unable to trigger a function when the two divs touch each other. jquery share improve this question You're looking for bounding box collision detection. If you want to raise an event you have to repeatedly test but it would be..
jquery ajax, read the stream incrementally? http://stackoverflow.com/questions/7740646/jquery-ajax-read-the-stream-incrementally is not an issue. jquery ajax javascript events long polling http streaming share improve this question You're going to want to use straight up javascript for this. The reason is that you're going to want to continuously poll and not..
WebKit issues with event.layerX and event.layerY http://stackoverflow.com/questions/7825448/webkit-issues-with-event-layerx-and-event-layery webkit share improve this question What's going on jQuery probably copies those properties into the jQuery object. You're exactly correct so it sounds like you already know Hopefully jQuery will update their code to stop touching that but at..
how to break the .each function in underscore.js http://stackoverflow.com/questions/8779799/how-to-break-the-each-function-in-underscore-js to JSFiddle 1 2 3 4 .every function n alert n return n 3 This will alert 1 through 3 and then break out of the loop. You're using underscore.js so you'll be pleased to learn that it does provide an every method ”they call it all but as that link..
Using jQuery to test if an input has focus http://stackoverflow.com/questions/967096/using-jquery-to-test-if-an-input-has-focus out false positives like body. This way we make sure to filter out all elements except form controls and hyperlinks. You're defining a new selector. See Plugins Authoring . Then you can do if ... .is focus ... or input focus .doStuff Any jQuery..
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