jquery

问题 This question already has answers here : Trigger event when user scroll to specific element - with jQuery (12 answers) Closed 2 years ago . window.scroll=function MyFunc(){ var y = window.scrollTop(); alert(y); } How to call a function when the window is scrolled and how to get the amount of pixels the window has been vertically scrolled. I want to play an animation when a desired value has been reached. Help. 回答1: You can use window.onscroll without the use of jQuery . That was what you were

问题 I'm using HTML/jquery/CSS and have a piece of text - "test". How can I make the "test" text follow the mouse pointer (or replace the mouse pointer icon with the text if that is easier)? EDIT From Tims answer: CSS: #follower { background: #fff; padding: 5px; border: 1px solid #ddd; position: absolute; } JS: $(document).ready(function(){ $("#follower").hide(); $(document).mousemove(function(e){ $("#follower").show(); $("#follower").css({ top: (e.pageY + 15) + "px", left: (e.pageX + 15) + "px" }

问题 This question already has answers here : Grouped sorting on a JS array (4 answers) Closed 6 years ago . If I have an array of locations like so: ["Roberts", "baltimore", "Maryland", "21212"], ["Adams", "baltimore", "Maryland", "21212"], ["Joes", "philadelphia", "Pennsylvania", "30333"], ["Carls", "new york", "New York", "40415"] Using Javascript or Jquery, How would I first sort them by state, then by name, so the resulting order would be: ["Adams", "baltimore", "Maryland", "21212"], [

问题 Using this great script http://blueimp.github.io/jQuery-File-Upload/ I saw an interesting function regarding the resizing of icons on a responsive page. For example, with the browser window open wide (desktop) i have an icon (Start and Cancel + icons), and resizing the browser window (smartphone) i have another one short and small (only icons). How can I achieve this effect? I did not find any tutorial on the net that talks about I'm sorry i can't post an image for example because i don't

问题 I can't figure out why this AJAX form is processing and sending out an email twice. Is there some sort of obvious hickup in the code you can see causing this to occur? HTML <form class="submit-form" method="post"> <input type="url" class="content-link" name="content_link" placeholder="Link" /> <input type="email" class="email" name="email" placeholder="Your Email Address" /> <button class="submit-modal-button submit-button"><span>Send<span class="ss-icon">send</span></span></button> <p class=

问题 I am making an ajax call to a php file on my server. That php file retrieves some info from various websites, so an ajax call can take 30 seconds to complete in the worst case. All I want to do is to set a timeout value for the ajax call and to trigger a function when timeout is reached. I think jQuery .complete is what I am looking for since it is called in any case but how to detect if it is called on timeout? 回答1: Actually, you can use .error for that instead of .complete . error(jqXHR,

问题 I have been stuck with this problem for quite some time now and i have searched on Google for countless hours to come up with a solution but to no avail. Here is my Problem I want to know the Logic behind a Carousel and would like to make it slide from right to left or vice-versa when a user hovers on the respective buttons. How can i make it animate continuously on mouseenter? Any help would be deeply appreciated. Thank You :) Here is the JSFIDDLE: http://jsfiddle.net/neoragex/qXseV/ 回答1: I

问题 how can i get the value of id from my database using jQuery AJAX. I created an CRUD which i need to edit and delete the user for each respected id the Create New user was working because i dont need the id to pass. But when i do the update the user the value of ID was not working for each user. it only read the first ID but the rest of the user cannot be read anymore. I have this code <form method="get"> <table class="table table-bordered"> <?php $sqlView = mysql_query("SELECT * FROM user

问题 I am using Flexdatalist to provide auto completion functionality. My script is something like the following: $('#locationKeyword').flexdatalist({ url: 'serverAction', cache: false, searchIn: ["ProvinceName", "CityName", "TownName"], visibleProperties: ["ProvinceName", "CityName", "TownName"], groupBy: 'ProvinceName', value:'1,1,1', selectionRequired: false, focusFirstResult: true, minLength: 1, maxShownResults: 20, valueProperty: '{Value}', textProperty: '{ProvinceName}, {CityName}, {TownName

问题 I have the following HTML <a href = "#" class="fb">Facebook</a> I have an onclick even handler that when the link above is clicked, calls window.open. That works in Chrome but not in Safari. How do I get it to work in Safari? $('fb').on('click', function () { window.open(); }); Thanks 回答1: If the user has pop-ups blocked, there will be no way to "bypass" this. Given your code, try <a href="#" class="fb" target="_blank">Facebook</a> instead, for setting the target should also open the link in