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2014/10/16 ¤W¤È 12:02:28
jquery Programming Glossary: checksChoosing and activating the right controls on an AJAX-driven site http://stackoverflow.com/questions/15048223/choosing-and-activating-the-right-controls-on-an-ajax-driven-site automatically picks my shoe size adds it to the cart and checks out for me. I am currently trying to use this script below but..
What are techniques to get around the IE file download security rules? http://stackoverflow.com/questions/2064882/what-are-techniques-to-get-around-the-ie-file-download-security-rules option is to just have the form fire away. The server checks the parameters and if there's anything wrong it responds with..
How to embed Javascript widget that depends on jQuery into an unknown environment http://stackoverflow.com/questions/2170439/how-to-embed-javascript-widget-that-depends-on-jquery-into-an-unknown-environmen conflict with a pre existing jQuery on the page. It also checks that a minimum version is available or else loads a known version..
What are the typical reasons Javascript developed on Firefox fails on IE? [closed] http://stackoverflow.com/questions/2599020/what-are-the-typical-reasons-javascript-developed-on-firefox-fails-on-ie . I personally use this code falling back with additional checks just to be sure function getById id var e if document.all e..
JQuery: Remove duplicate elements? http://stackoverflow.com/questions/2822962/jquery-remove-duplicate-elements containing all previously seen texts. The line if seen txt checks to see if the text is in the set. If so we've seen this text..
http://stackoverflow.com/questions/3015335/jquery-html-vs-append than that as jQuery does a bunch of cross browser checks and various other optimisations. E.g. if you pass just div div.. 'div' . EDIT To see the sheer quantity of checks that jQuery performs have a look here here and here . innerHTML.. element.innerHTML ... as I mentioned there are a bunch of checks and optimisations occurring. The correct technique depends heavily..
Deny ajax file access using htaccess http://stackoverflow.com/questions/3466802/deny-ajax-file-access-using-htaccess ajax. So I was hoping to create an htaccess file which checks for ajax request HTTP_X_REQUESTED_WITH and deny all other requests..
How to check if a user has scrolled to the bottom http://stackoverflow.com/questions/3898130/how-to-check-if-a-user-has-scrolled-to-the-bottom scrolled down adds the height of the visible window and checks if that equals the height of the overall content document ...
Unexpected token ILLEGAL in webkit http://stackoverflow.com/questions/4404526/unexpected-token-illegal-in-webkit position 'px' shifts all the boxes to the left then checks if any left the window function shiftLeft '.box' .animate 'left'..
What is console.log and how do I use it? [duplicate] http://stackoverflow.com/questions/4743730/what-is-console-log-and-how-do-i-use-it alone if window.console window.console log function This checks to see if the console is present and if not it sets it to an..
http://stackoverflow.com/questions/4901553/jquery-hasclass-vs-is is has more to do where is hasClass is limited which only checks for a class being set or not. Hence hasClass should be faster..
Change the selected value of a drop-down list with jQuery http://stackoverflow.com/questions/499405/change-the-selected-value-of-a-drop-down-list-with-jquery this question jQuery's documentation states jQuery.val checks or selects all the radio buttons checkboxes and select options..
What are some empirical technical reasons not to use jQuery? [closed] http://stackoverflow.com/questions/5099949/what-are-some-empirical-technical-reasons-not-to-use-jquery getElementById faster Yes. And of course everyone always checks the parentNode to catch when Blackberry 4.6 returns nodes that..
How to wait until an element exists? http://stackoverflow.com/questions/5525071/how-to-wait-until-an-element-exists existence Using plain javascript with an interval that checks until an element exists or does jQuery have some easy way to..
http://stackoverflow.com/questions/6448465/jquery-mobile-device-scaling The if then statement in the event handler checks for which orientation the user has changed to 90 90 and 270..
jqGrid resolve the grid pager ID dynamically? http://stackoverflow.com/questions/7056859/jqgrid-resolve-the-grid-pager-id-dynamically I prepared the demo which demonstrate this If one checks the buttons which are placed above the grid the corresponding..
How can I pass variables from JavaScript to PHP? http://stackoverflow.com/questions/980770/how-can-i-pass-variables-from-javascript-to-php '2' #prices span .each function var priceValue this This checks to see if a matte or gloss finish has been selected and then..
How to increase the value of a quantity field with jQuery? http://stackoverflow.com/questions/1211354/how-to-increase-the-value-of-a-quantity-field-with-jquery that object doesn't exist until the page actually loads. Checks for NaN handles the case of the user typing non numeric stuff..
Testing if something is hidden with jQuery http://stackoverflow.com/questions/178325/testing-if-something-is-hidden-with-jquery this code might be more suitable element .is visible Checks for display none block ignores visible true false Same as twernt's..
Conflict between jQuery Validate and Masked Input http://stackoverflow.com/questions/4399086/conflict-between-jquery-validate-and-masked-input from string postalcode postalcode.split _ .join Checks the length of the zipcode now that placeholder characters are..
remove item from json array using its name / value http://stackoverflow.com/questions/6310623/remove-item-from-json-array-using-its-name-value property value Remove from array array.splice index 1 Checks countries.result for an object with a property of 'id' whose..
HTML5 Panning based on Mouse Movement http://stackoverflow.com/questions/7096921/html5-panning-based-on-mouse-movement Left Move viewport to up and left if possible Additional Checks for location I know I could probably accomplish this by creating..
CSS3 - Style radio inputs using the :checked selector on older browsers (ie7/ie8) http://stackoverflow.com/questions/7461756/css3-style-radio-inputs-using-the-checked-selector-on-older-browsers-ie7-ie8 radio input element 'input type radio ' .each function Checks if the next element is a label and whether the RADIO element..
How to bind to all custom events in jQuery http://stackoverflow.com/questions/9735608/how-to-bind-to-all-custom-events-in-jquery For instance .each boundEvents function if this.indexOf Checks each event name for an asterisk alert this alerts the namespace..
Choosing and activating the right controls on an AJAX-driven site http://stackoverflow.com/questions/15048223/choosing-and-activating-the-right-controls-on-an-ajax-driven-site I visit any nike.com sneaker page without the HTML link it automatically picks my shoe size adds it to the cart and checks out for me. I am currently trying to use this script below but every time I go to the sneaker page it does not properly..
What are techniques to get around the IE file download security rules? http://stackoverflow.com/questions/2064882/what-are-techniques-to-get-around-the-ie-file-download-security-rules and download the suspicious content won't even work. The other option is to just have the form fire away. The server checks the parameters and if there's anything wrong it responds with the form container page peppered appropriately with error..
How to embed Javascript widget that depends on jQuery into an unknown environment http://stackoverflow.com/questions/2170439/how-to-embed-javascript-widget-that-depends-on-jquery-into-an-unknown-environmen loaded and encapsulates it in the callback so it doesn't conflict with a pre existing jQuery on the page. It also checks that a minimum version is available or else loads a known version in this case v1.3. It sends a boolean value to the callback..
What are the typical reasons Javascript developed on Firefox fails on IE? [closed] http://stackoverflow.com/questions/2599020/what-are-the-typical-reasons-javascript-developed-on-firefox-fails-on-ie has other problems as it always prioritizes name before id . I personally use this code falling back with additional checks just to be sure function getById id var e if document.all e document.all id if e e.tagName e.id id return e e document.getElementById..
JQuery: Remove duplicate elements? http://stackoverflow.com/questions/2822962/jquery-remove-duplicate-elements any previously seen text to true . It functions as a set containing all previously seen texts. The line if seen txt checks to see if the text is in the set. If so we've seen this text before so we remove the link. Otherwise this is a link text..
http://stackoverflow.com/questions/3015335/jquery-html-vs-append fresh DOM collection. Note that it's actually a lot more complicated than that as jQuery does a bunch of cross browser checks and various other optimisations. E.g. if you pass just div div to jQuery jQuery will take a shortcut and simply do document.createElement.. to jQuery jQuery will take a shortcut and simply do document.createElement 'div' . EDIT To see the sheer quantity of checks that jQuery performs have a look here here and here . innerHTML is generally the faster approach although don't let that.. do all the time. jQuery's approach isn't quite as simple as element.innerHTML ... as I mentioned there are a bunch of checks and optimisations occurring. The correct technique depends heavily on the situation. If you want to create a large number..
Deny ajax file access using htaccess http://stackoverflow.com/questions/3466802/deny-ajax-file-access-using-htaccess ajax calls and I keep all of my ajax files in a folder named ajax. So I was hoping to create an htaccess file which checks for ajax request HTTP_X_REQUESTED_WITH and deny all other requests in that folder. I know that http header can be faked..
How to check if a user has scrolled to the bottom http://stackoverflow.com/questions/3898130/how-to-check-if-a-user-has-scrolled-to-the-bottom here this takes the top scroll of the window so how much it's scrolled down adds the height of the visible window and checks if that equals the height of the overall content document . If you wanted to instead check if the user is near the bottom..
Unexpected token ILLEGAL in webkit http://stackoverflow.com/questions/4404526/unexpected-token-illegal-in-webkit position '#window' .position .left i item .width item .css 'left' position 'px' shifts all the boxes to the left then checks if any left the window function shiftLeft '.box' .animate 'left' 100px 5000 'linear' checkEdge returns the new location..
What is console.log and how do I use it? [duplicate] http://stackoverflow.com/questions/4743730/what-is-console-log-and-how-do-i-use-it at the top of your code and good old IE should leave you alone if window.console window.console log function This checks to see if the console is present and if not it sets it to an object with a blank function called log . This way window.console..
http://stackoverflow.com/questions/4901553/jquery-hasclass-vs-is can for example do is '.class' is ' checked' etc which means is has more to do where is hasClass is limited which only checks for a class being set or not. Hence hasClass should be faster if performance at any level is your priority. share improve..
Change the selected value of a drop-down list with jQuery http://stackoverflow.com/questions/499405/change-the-selected-value-of-a-drop-down-list-with-jquery terribly annoying. javascript jquery asp.net share improve this question jQuery's documentation states jQuery.val checks or selects all the radio buttons checkboxes and select options that match the set of values. This behavior is in jQuery..
What are some empirical technical reasons not to use jQuery? [closed] http://stackoverflow.com/questions/5099949/what-are-some-empirical-technical-reasons-not-to-use-jquery example getElementById 'someid' vs. jQuery '#someid' Is using getElementById faster Yes. And of course everyone always checks the parentNode to catch when Blackberry 4.6 returns nodes that are no longer in the document right jQuery does. And everyone..
How to wait until an element exists? http://stackoverflow.com/questions/5525071/how-to-wait-until-an-element-exists what's the best way to find out when an element comes into existence Using plain javascript with an interval that checks until an element exists or does jQuery have some easy way to do this javascript jquery google chrome google chrome extension..
http://stackoverflow.com/questions/6448465/jquery-mobile-device-scaling case the user opens the page in landscape mode .trigger 'orientationchange' The if then statement in the event handler checks for which orientation the user has changed to 90 90 and 270 are all values I've seen for landscape and the viewport.attr..
jqGrid resolve the grid pager ID dynamically? http://stackoverflow.com/questions/7056859/jqgrid-resolve-the-grid-pager-id-dynamically how to hide or to show the buttons in the navigator bar dynamically. I prepared the demo which demonstrate this If one checks the buttons which are placed above the grid the corresponding button from the navigator bar will be hide. Unchecking will..
How can I pass variables from JavaScript to PHP? http://stackoverflow.com/questions/980770/how-can-i-pass-variables-from-javascript-to-php '#prices span' .text gloss matt curLam 'matt' console.log '2' #prices span .each function var priceValue this This checks to see if a matte or gloss finish has been selected and then it inserts the price into the span within the prices div tag...
How to increase the value of a quantity field with jQuery? http://stackoverflow.com/questions/1211354/how-to-increase-the-value-of-a-quantity-field-with-jquery the ID add1 doesn't exist or whatever because technically that object doesn't exist until the page actually loads. Checks for NaN handles the case of the user typing non numeric stuff into the field. You could add your own logic for that in particular..
Testing if something is hidden with jQuery http://stackoverflow.com/questions/178325/testing-if-something-is-hidden-with-jquery this question As the question refers to a single element this code might be more suitable element .is visible Checks for display none block ignores visible true false Same as twernt's suggestion but applied to a single element. share improve..
Conflict between jQuery Validate and Masked Input http://stackoverflow.com/questions/4399086/conflict-between-jquery-validate-and-masked-input zipcode function postalcode element removes placeholder from string postalcode postalcode.split _ .join Checks the length of the zipcode now that placeholder characters are removed. if postalcode.length 6 Removes hyphen postalcode..
remove item from json array using its name / value http://stackoverflow.com/questions/6310623/remove-item-from-json-array-using-its-name-value property value .each array function index result if result property value Remove from array array.splice index 1 Checks countries.result for an object with a property of 'id' whose value is 'AF' Then removes it p findAndRemove countries.results..
HTML5 Panning based on Mouse Movement http://stackoverflow.com/questions/7096921/html5-panning-based-on-mouse-movement var cy canvas.height if x 0.1 cx y 0.1 cy alert Upper Left Move viewport to up and left if possible Additional Checks for location I know I could probably accomplish this by creating paths within the canvas and attaching events to them but..
CSS3 - Style radio inputs using the :checked selector on older browsers (ie7/ie8) http://stackoverflow.com/questions/7461756/css3-style-radio-inputs-using-the-checked-selector-on-older-browsers-ie7-ie8 very well Fiddle http jsfiddle.net p5SNL Loops through each radio input element 'input type radio ' .each function Checks if the next element is a label and whether the RADIO element has a name or not a name attribute is required if label i.test..
How to bind to all custom events in jQuery http://stackoverflow.com/questions/9735608/how-to-bind-to-all-custom-events-in-jquery array elements and check the namespace property of each. For instance .each boundEvents function if this.indexOf Checks each event name for an asterisk alert this alerts the namespace of the first handler bound to this event name alert this..
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