jquery-animate | 易学教程

want to show the thickness of an element while it rotate

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问题 I am rotating a coin along Y axis by 90deg through CSS. Is there a way so that I can show the thickness of the coin after it have rotated, I thought I can scaleY after the coin have rotated along Y axis but this doesn't seem to work. Please suggest some way to do the same if it is possible. link_on_js fiddle for the same. Please use webkit browsers to open the link. css .coin { display: block; background: url("url-to-image-of-coin.jpg"); background-size: 100% 100%; width: 100px; height: 100px

Jquery - animate height toggle

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问题 I have a 10px bar along the top of the screen that, when clicked, I want it to animate to a height of 40px and then if clicked again, animate back down to 10px. I tried changing the id of the div, but it isn't working. How could I get this to work, or is there a better way to do it? body html: <div id="topbar-show"></div> css: #topbar-show { width: 100%; height: 10px; background-color: #000; } #topbar-hide { width: 100%; height: 40px; background-color: #000; } javascript: $(document).ready

How do I animate in jQuery without stacking callbacks?

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问题 Let's say I have three divs, and I'd like each to animate once the previous one is done. Currently, I write this: $('div1').fadeOut('slow', function() { $('div2').fadeOut('slow', function() { $('div3').fadeOut('slow'); }); }); Which is ugly, but manageable. Now imagine I have 10 different animations that need to happen one after the other on different elements . Suddenly the code gets so clunky that it's extremely hard to manage... Here's pseudocode for what I'm looking to do: $('div1')

How do I force redraw with Google Maps API v3.0?

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问题 I have a fairly sophisticated Maps application that handles multiple custom markers and such. I have a function called resizeWindow that I call in a listener to that whenever the screen is changed, the map redraws itself by calculating new bounds and forcing a resize. It looks like this: window.onresize = function(event) { fitmap(); }; and the function to resize is: function fitmap(id) { var coords = []; var newlatlng = new google.maps.LatLng(projlat, projlng); coords.push(newlatlng); for

jQuery animate div background color gradient?

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问题 I'm trying to build a background animation with jQuery which changes from one gradient to another. I know you can use the .animate() function to change solid background colors, but can this also be done for gradients? Here's a good example from some old Digg-style comments. I'm looking to do something like this animating from green to yellow 回答1: UPDATE: These days, all major browsers support CSS animations, which are way more reliable than jQuery. For reference, see Rohit's answer. OLD

Don't Animate X If Animation X Already Running (inside keyup)

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问题 The way it's currently written causes the hide to fire over and over if msg.d starts returning 'false' from 'true' until enough time has passed for the animation to stop. Is there an isHiding or something? Thanks in advance! if(msg.d == "true") { if(!$("#addContactEmailError").is(":visible")) { $("#addContactEmailError").show('bounce'); } $("#addContactSubmitButton").attr("disabled", true); } else { if($("#addContactEmailError").is(":visible")) { $("#addContactEmailError").hide('slide', {

Show Div when scroll position

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First of all i would like to refer to this website: http://annasafroncik.it/ I love the way the animations come into view. Is it hard to create a similar function in jquery? Are there any plugins to create such an effect? Hope someone will help me out. Basically, you want to add a "hideme" class to every element you want hidden (then you set that class to "opacity:0"; Then, using jQuery you set a $(window).scroll() event to check the location of the bottom of every "hideme" element against the bottom edge of your visible window. Here's the meat of it ... /* Every time the window is scrolled ..

using jQuery .animate to animate a div from right to left?

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问题 I have a div absolutely positioned at top: 0px and right: 0px , and I would like to use jquery's .animate() to animate it from it's current position to left: 0px . How does one do this? I can't seem to get this to work: $("#coolDiv").animate({"left":"0px"}, "slow"); Why doesn't this work and how does one accomplish what I am looking to do? Thanks!! 回答1: I think the reason it doesn't work has something to do with the fact that you have the right position set, but not the left . If you manually

Animate scroll to ID on page load

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Im tring to animate the scroll to a particular ID on page load. I have done lots of research and came across this: $("html, body").animate({ scrollTop: $('#title1').height() }, 1000); but this seems to start from the ID and animate to the top of the page? The HTML (which is half way down the page) is simply: <h2 id="title1">Title here</h2> BumbleB2na You are only scrolling the height of your element. offset() returns the coordinates of an element relative to the document, and top param will give you the element's distance in pixels along the y-axis: $("html, body").animate({ scrollTop: $('

Animate bootstrap columns

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问题 Here's what I'd like to do: Initial Display --------------------------------------------- | | | | | | | .span12 #col1 | | | | | | | | [#button] | | | | | --------------------------------------------- Then when #button gets clicked, #col1 contents are animated sliding over to the right into a .span3 and #col2 .span9 animates in from the left to the right (from off screen): After Button Click/Animation ------------------------------------------------- | | | | | | | | | | .span9 #col2 | .span3