jquery Programming Glossary: preventdefault
What does “return false;” do? http://stackoverflow.com/questions/10729198/what-does-return-false-do #LogEntry .val prevent the form from submitting normally e.preventDefault .ajax type 'POST' url 'behind_curtains.php' data logentry log_entry.. the event occurred. return false is equivalent to event.preventDefault event.stopPropagation And of course all code that exists after.. to explain the difference between return false and event.preventDefault Markup div id theDiv form id theForm input type submit value..
How to reenable event.preventDefault? http://stackoverflow.com/questions/1164132/how-to-reenable-event-preventdefault to reenable event.preventDefault I have a web page which I have prevented the default action.. action using the following form .bind submit function e e.preventDefault I have successfully done this using the following document .ready.. function form not '#press' .bind submit function e e.preventDefault But can I do this dynamically when the button is clicked javascript..
How to enable or disable an anchor using jQuery? http://stackoverflow.com/questions/1164635/how-to-enable-or-disable-an-anchor-using-jquery from following the specified href I would suggest using preventDefault jQuery 1.7 function 'a.something' .on click function e e.preventDefault.. jQuery 1.7 function 'a.something' .on click function e e.preventDefault jQuery 1.7 function 'a.something' .click function e e.preventDefault.. jQuery 1.7 function 'a.something' .click function e e.preventDefault or 'a.something' .bind click function e e.preventDefault See..
Download File Using jQuery http://stackoverflow.com/questions/1296085/download-file-using-jquery suggest this as a more gracefully degrading solution using preventDefault 'a' .click function e e.preventDefault stop the browser from.. solution using preventDefault 'a' .click function e e.preventDefault stop the browser from following window.location.href 'uploads..
event.preventDefault() vs. return false http://stackoverflow.com/questions/1357118/event-preventdefault-vs-return-false vs. return false When I want to prevent other event handlers.. examples but this applies to plain JS as well # 1 event.preventDefault 'a' .click function e custom handling here e.preventDefault.. 'a' .click function e custom handling here e.preventDefault # 2 return false 'a' .click function custom handling here return..
How to send a model in jQuery $.ajax() post request to MVC controller method http://stackoverflow.com/questions/1518417/how-to-send-a-model-in-jquery-ajax-post-request-to-mvc-controller-method .html result complete function 'form' .onsubmit preventDefault function Every time there is a post I need to increment the..
how to enable default after event.preventDefault()? http://stackoverflow.com/questions/1551389/how-to-enable-default-after-event-preventdefault to enable default after event.preventDefault jquery toggle calls preventDefault by default so the defaults.. default after event.preventDefault jquery toggle calls preventDefault by default so the defaults don't work. you can't click a checkbox.. you do something like document.ontouchmove function e e.preventDefault now to revert it to the original situation do the below... document.ontouchmove..
Triggering onclick event using middle click http://stackoverflow.com/questions/1795734/triggering-onclick-event-using-middle-click the following #foo .live 'click' function e if e.which 2 e.preventDefault alert middle button preventDefault will stop the default action.. e if e.which 2 e.preventDefault alert middle button preventDefault will stop the default action of the event. share improve this..
What's the difference between e.preventDefault(); and return false? [duplicate] http://stackoverflow.com/questions/2017755/whats-the-difference-between-e-preventdefault-and-return-false the difference between e.preventDefault and return false duplicate This question already has an answer.. This question already has an answer here event.preventDefault vs. return false 8 answers a.avatar .click function.. false 8 answers a.avatar .click function e e.preventDefault #thumbnails .fadeIn and a.avatar .click function e #thumbnails..
“javascript:void(0);” vs “return false” vs “preventDefault()” http://stackoverflow.com/questions/3498492/javascriptvoid0-vs-return-false-vs-preventdefault void 0 &rdquo vs &ldquo return false&rdquo vs &ldquo preventDefault &rdquo When I want some link to not do anything but only respond.. document .ready function #toto .click function event event.preventDefault ... script Do you have any preference why in which conditions.. or plain JS. Responses In jQuery return false means both preventDefault and stopPropagation so the meaning is different if you care..
How to disable scrolling temporarily? http://stackoverflow.com/questions/4770025/how-to-disable-scrolling-temporarily pagedown 34 end 35 home 36 var keys 37 38 39 40 function preventDefault e e e window.event if e.preventDefault e.preventDefault e.returnValue.. 38 39 40 function preventDefault e e e window.event if e.preventDefault e.preventDefault e.returnValue false function keydown e for.. preventDefault e e e window.event if e.preventDefault e.preventDefault e.returnValue false function keydown e for var i keys.length..
Disable submit button on form submit http://stackoverflow.com/questions/5691054/disable-submit-button-on-form-submit Demonstration http jsfiddle.net userdude 2hgnZ Note I use preventDefault and return false so the form doesn't actual submit in the example..
When should I use return false in jquery function? http://stackoverflow.com/questions/5927689/when-should-i-use-return-false-in-jquery-function returning false performs three tasks when called event.preventDefault event.stopPropagation Stops callback execution and returns immediately.. The only action needed to cancel the default behaviour is preventDefault . Issuing return false can create brittle code. Usually you'd.. want just this a .on 'click' function e e our event data e.preventDefault And secondly this is a DOM element in javascript and this is..
Insert html at caret in a contenteditable div http://stackoverflow.com/questions/6690752/insert-html-at-caret-in-a-contenteditable-div set and I am capturing keypress using jquery to call preventDefault when the enter key is pressed. Similar to this question which..
Submitting a form on 'Enter' with jQuery? http://stackoverflow.com/questions/699065/submitting-a-form-on-enter-with-jquery
jQuery disable a link http://stackoverflow.com/questions/970388/jquery-disable-a-link re enable the disabled link. 'ul li' .click function e e.preventDefault 'ul' .addClass 'expanded' 'ul.expanded' .fadeIn 300 return false.. improve this question '#myLink' .click function e e.preventDefault do other stuff when a click happens That will prevent the default.. here following the link to jquery.com by calling event.preventDefault in the event handler If you want to preventDefault only if a..
Stop form from submitting , Using Jquery http://stackoverflow.com/questions/10092580/stop-form-from-submitting-using-jquery return false script jquery asp.net mvc 3 form validation preventdefault share improve this question Again AJAX is async. So the..
Ctrl+S preventDefault in Chrome http://stackoverflow.com/questions/11000826/ctrls-preventdefault-in-chrome didn't find a solution javascript jquery google chrome preventdefault share improve this question As far as I can see the secret..
preventDefault() won't work for me http://stackoverflow.com/questions/12162217/preventdefault-wont-work-for-me function event event.preventDefault javascript jquery preventdefault share improve this question Filter only filters what is..
How to disable backspace except textbox using jQuery http://stackoverflow.com/questions/14012024/how-to-disable-backspace-except-textbox-using-jquery Check keydown events and if backspace is pressed preventdefault if a textarea is not focused. http jsfiddle.net Q9Meh 2 'body'..
PreventDefault alternative for IE8 http://stackoverflow.com/questions/4422045/preventdefault-alternative-for-ie8 this problem for IE8 jquery jquery ui internet explorer preventdefault share improve this question I use something like event.preventDefault..
What is the opposite of evt.preventDefault(); http://stackoverflow.com/questions/5651933/what-is-the-opposite-of-evt-preventdefault how can I resume defualt actions javascript jquery preventdefault share improve this question As per commented by @Prescott..
Prevent Default on Form Submit jQuery http://stackoverflow.com/questions/6462143/prevent-default-on-form-submit-jquery to http localhost 8888 bevbros index.php test jquery preventdefault share improve this question Try this #cpa form .submit function..
Form still submits on preventDefault http://stackoverflow.com/questions/8690117/form-still-submits-on-preventdefault comment.php' form contents form jquery forms jquery ajax preventdefault share improve this question I don't think your selector..
Jquery if conditions false then prevent default http://stackoverflow.com/questions/9376089/jquery-if-conditions-false-then-prevent-default only work if the condition is met. jquery conditional preventdefault share improve this question Assuming by ' should only work..
What does “return false;” do? http://stackoverflow.com/questions/10729198/what-does-return-false-do function e stores the input of today's data var log_entry #LogEntry .val prevent the form from submitting normally e.preventDefault .ajax type 'POST' url 'behind_curtains.php' data logentry log_entry success function alert log_entry clears textbox.. also stops bubbling so the parents of the element won't know the event occurred. return false is equivalent to event.preventDefault event.stopPropagation And of course all code that exists after the return xxx line won't be executed. as with all programming.. helpful Stop event bubbling increases performance A real demo to explain the difference between return false and event.preventDefault Markup div id theDiv form id theForm input type submit value submit form div JavaScript '#theDiv' .submit function alert..
How to reenable event.preventDefault? http://stackoverflow.com/questions/1164132/how-to-reenable-event-preventdefault to reenable event.preventDefault I have a web page which I have prevented the default action on all submit buttons however I would like to re enable default.. how can I do this I am currently preventing the default action using the following form .bind submit function e e.preventDefault I have successfully done this using the following document .ready function form not '#press' .bind submit function e e.preventDefault.. I have successfully done this using the following document .ready function form not '#press' .bind submit function e e.preventDefault But can I do this dynamically when the button is clicked javascript jquery share improve this question You would have..
How to enable or disable an anchor using jQuery? http://stackoverflow.com/questions/1164635/how-to-enable-or-disable-an-anchor-using-jquery anchor share improve this question To prevent an anchor from following the specified href I would suggest using preventDefault jQuery 1.7 function 'a.something' .on click function e e.preventDefault jQuery 1.7 function 'a.something' .click function.. the specified href I would suggest using preventDefault jQuery 1.7 function 'a.something' .on click function e e.preventDefault jQuery 1.7 function 'a.something' .click function e e.preventDefault or 'a.something' .bind click function e e.preventDefault.. function 'a.something' .on click function e e.preventDefault jQuery 1.7 function 'a.something' .click function e e.preventDefault or 'a.something' .bind click function e e.preventDefault See http docs.jquery.com Events jQuery.Event#event.preventDefault.28.29..
Download File Using jQuery http://stackoverflow.com/questions/1296085/download-file-using-jquery file download share improve this question I might suggest this as a more gracefully degrading solution using preventDefault 'a' .click function e e.preventDefault stop the browser from following window.location.href 'uploads file.doc' a href no.. question I might suggest this as a more gracefully degrading solution using preventDefault 'a' .click function e e.preventDefault stop the browser from following window.location.href 'uploads file.doc' a href no script.html Download now a Even if there's..
event.preventDefault() vs. return false http://stackoverflow.com/questions/1357118/event-preventdefault-vs-return-false vs. return false When I want to prevent other event handlers from executing after a certain event is fired I can use one.. fired I can use one of two techniques. I'll use jQuery in the examples but this applies to plain JS as well # 1 event.preventDefault 'a' .click function e custom handling here e.preventDefault # 2 return false 'a' .click function custom handling here return.. examples but this applies to plain JS as well # 1 event.preventDefault 'a' .click function e custom handling here e.preventDefault # 2 return false 'a' .click function custom handling here return false Is there any significant difference between those..
How to send a model in jQuery $.ajax() post request to MVC controller method http://stackoverflow.com/questions/1518417/how-to-send-a-model-in-jquery-ajax-post-request-to-mvc-controller-method ModelPage ' type POST data success function result div#updatePane .html result complete function 'form' .onsubmit preventDefault function Every time there is a post I need to increment the value attribute in the model public ActionResult Modelpage..
how to enable default after event.preventDefault()? http://stackoverflow.com/questions/1551389/how-to-enable-default-after-event-preventdefault to enable default after event.preventDefault jquery toggle calls preventDefault by default so the defaults don't work. you can't click a checkbox you cant click a link.. to enable default after event.preventDefault jquery toggle calls preventDefault by default so the defaults don't work. you can't click a checkbox you cant click a link etc etc is it possible to restore.. share improve this question Its fairly simple Lets suppose you do something like document.ontouchmove function e e.preventDefault now to revert it to the original situation do the below... document.ontouchmove function e return true via http www.bcreatives.com.au..
Triggering onclick event using middle click http://stackoverflow.com/questions/1795734/triggering-onclick-event-using-middle-click
What's the difference between e.preventDefault(); and return false? [duplicate] http://stackoverflow.com/questions/2017755/whats-the-difference-between-e-preventdefault-and-return-false the difference between e.preventDefault and return false duplicate This question already has an answer here event.preventDefault vs. return false 8 answers.. the difference between e.preventDefault and return false duplicate This question already has an answer here event.preventDefault vs. return false 8 answers a.avatar .click function e e.preventDefault #thumbnails .fadeIn and a.avatar .click.. already has an answer here event.preventDefault vs. return false 8 answers a.avatar .click function e e.preventDefault #thumbnails .fadeIn and a.avatar .click function e #thumbnails .fadeIn return false Both can achieve the same goal for..
“javascript:void(0);” vs “return false” vs “preventDefault()” http://stackoverflow.com/questions/3498492/javascriptvoid0-vs-return-false-vs-preventdefault javascript void 0 &rdquo vs &ldquo return false&rdquo vs &ldquo preventDefault &rdquo When I want some link to not do anything but only respond to javascript actions what's the best way to avoid the.. even a id hello href # Hello a script type text javascript document .ready function #toto .click function event event.preventDefault ... script Do you have any preference why in which conditions PS of course the above examples assume you're using jquery.. this but there is no reason you can't do it in any library or plain JS. Responses In jQuery return false means both preventDefault and stopPropagation so the meaning is different if you care about parent elements receiving the event notification jQuery..
How to disable scrolling temporarily? http://stackoverflow.com/questions/4770025/how-to-disable-scrolling-temporarily demo left 37 up 38 right 39 down 40 spacebar 32 pageup 33 pagedown 34 end 35 home 36 var keys 37 38 39 40 function preventDefault e e e window.event if e.preventDefault e.preventDefault e.returnValue false function keydown e for var i keys.length i if.. spacebar 32 pageup 33 pagedown 34 end 35 home 36 var keys 37 38 39 40 function preventDefault e e e window.event if e.preventDefault e.preventDefault e.returnValue false function keydown e for var i keys.length i if e.keyCode keys i preventDefault e return.. 33 pagedown 34 end 35 home 36 var keys 37 38 39 40 function preventDefault e e e window.event if e.preventDefault e.preventDefault e.returnValue false function keydown e for var i keys.length i if e.keyCode keys i preventDefault e return function wheel..
Disable submit button on form submit http://stackoverflow.com/questions/5691054/disable-submit-button-on-form-submit so you don't select all inputs of submit type on the page. Demonstration http jsfiddle.net userdude 2hgnZ Note I use preventDefault and return false so the form doesn't actual submit in the example leave this off in your use. share improve this answer..
When should I use return false in jquery function? http://stackoverflow.com/questions/5927689/when-should-i-use-return-false-in-jquery-function According to jQuery Events Stop Mis Using Return False returning false performs three tasks when called event.preventDefault event.stopPropagation Stops callback execution and returns immediately when called. The only action needed to cancel the.. callback execution and returns immediately when called. The only action needed to cancel the default behaviour is preventDefault . Issuing return false can create brittle code. Usually you'd want just this a .on 'click' function e e our event data e.preventDefault.. Issuing return false can create brittle code. Usually you'd want just this a .on 'click' function e e our event data e.preventDefault And secondly this is a DOM element in javascript and this is a jQuery element that references the DOM element. Read more..
Insert html at caret in a contenteditable div http://stackoverflow.com/questions/6690752/insert-html-at-caret-in-a-contenteditable-div caret in a contenteditable div I have a div with contenteditable set and I am capturing keypress using jquery to call preventDefault when the enter key is pressed. Similar to this question which inserts text at the cursor I would like to directly insert..
Submitting a form on 'Enter' with jQuery? http://stackoverflow.com/questions/699065/submitting-a-form-on-enter-with-jquery
jQuery disable a link http://stackoverflow.com/questions/970388/jquery-disable-a-link needs to do after the .expanded class has been applied is to re enable the disabled link. 'ul li' .click function e e.preventDefault 'ul' .addClass 'expanded' 'ul.expanded' .fadeIn 300 return false jquery hyperlink share improve this question '#myLink'.. .fadeIn 300 return false jquery hyperlink share improve this question '#myLink' .click function e e.preventDefault do other stuff when a click happens That will prevent the default behaviour of a hyperlink which is to visit the specified.. and most other events you can prevent the default behaviour here following the link to jquery.com by calling event.preventDefault in the event handler If you want to preventDefault only if a certain condition is fulfilled something is hidden for instance..
Stop form from submitting , Using Jquery http://stackoverflow.com/questions/10092580/stop-form-from-submitting-using-jquery job completes if sender null sender.preventDefault return false script jquery asp.net mvc 3 form validation preventdefault share improve this question Again AJAX is async. So the showMsg function will be called only after success response..
Ctrl+S preventDefault in Chrome http://stackoverflow.com/questions/11000826/ctrls-preventdefault-in-chrome question answer as I was after this for a pretty long time and didn't find a solution javascript jquery google chrome preventdefault share improve this question As far as I can see the secret sauce is that Ctrl S does NOT fire the keypress event only..
preventDefault() won't work for me http://stackoverflow.com/questions/12162217/preventdefault-wont-work-for-me li ul div Javascript stuff 'div#nav bar' .filter 'a' .click function event event.preventDefault javascript jquery preventdefault share improve this question Filter only filters what is already selected. In your case the #nav bar element. You need..
How to disable backspace except textbox using jQuery http://stackoverflow.com/questions/14012024/how-to-disable-backspace-except-textbox-using-jquery event.preventDefault jquery html share improve this question Check keydown events and if backspace is pressed preventdefault if a textarea is not focused. http jsfiddle.net Q9Meh 2 'body' .keydown function event if event.which 8 'textarea focus'..
PreventDefault alternative for IE8 http://stackoverflow.com/questions/4422045/preventdefault-alternative-for-ie8 forward and backward Question What is the best way to solve this problem for IE8 jquery jquery ui internet explorer preventdefault share improve this question I use something like event.preventDefault event.preventDefault event.returnValue false the..
What is the opposite of evt.preventDefault(); http://stackoverflow.com/questions/5651933/what-is-the-opposite-of-evt-preventdefault of evt.preventDefault Once I've fired an evt.preventDefault how can I resume defualt actions javascript jquery preventdefault share improve this question As per commented by @Prescott the opposite of evt.preventDefault Could be Essentially equating..
Prevent Default on Form Submit jQuery http://stackoverflow.com/questions/6462143/prevent-default-on-form-submit-jquery
Form still submits on preventDefault http://stackoverflow.com/questions/8690117/form-still-submits-on-preventdefault .val '' script HTML Form form method 'POST' action '.. comment.php' form contents form jquery forms jquery ajax preventdefault share improve this question I don't think your selector and on method is working correctly. Try 'form' .on 'submit'..
Jquery if conditions false then prevent default http://stackoverflow.com/questions/9376089/jquery-if-conditions-false-then-prevent-default a is set to 1 if a particular condition is met. The link should only work if the condition is met. jquery conditional preventdefault share improve this question Assuming by ' should only work if a is equal to 1 ' you mean the text of the a element is..
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