If multiple elements are animated, the callback is executed once per matched element, not once for the animation as a whole. If no elements are in the set, no callbacks are called. If supplied, the start, step, progress, complete, done, fail, and always callbacks are called on a per-element basis this is set to the DOM element being animated. The strings 'fast' and 'slow' can be supplied to indicate durations of 200 and 600 milliseconds, respectively. The default duration is 400 milliseconds. Durationĭurations are given in milliseconds higher values indicate slower animations, not faster ones. For example, given $( 'someElement' ).hide().animate(, 500), the animation will run, but the element will remain hidden. animate() method does not make hidden elements visible as part of the effect. Note: Unlike shorthand animation methods such as. If a value is supplied with a leading += or -= sequence of characters, then the target value is computed by adding or subtracting the given number from the current value of the property. In order to use jQuery's built-in toggle state tracking, the 'toggle' keyword must be consistently given as the value of the property being animated.Īnimated properties can also be relative. These shortcuts allow for custom hiding and showing animations that take into account the display type of the element.

In addition to numeric values, each property can take the strings 'show', 'hide', and 'toggle'. Or, if you want to animate font size, you would use fontSize or the CSS equivalent 'font-size' rather than simply 'font'. For example, if you want to animate the rendered border width, at least a border style and border width other than 'auto' must be set in advance. font, background, border) are not fully supported. In addition to style properties, some non-style properties such as scrollTop and scrollLeft, as well as custom properties, can be animated. The units em and % can be specified where applicable. Property values are treated as a number of pixels unless otherwise specified. Animation Properties and ValuesĪll animated properties should be animated to a single numeric value, except as noted below most properties that are non-numeric cannot be animated using basic jQuery functionality (For example, width, height, or left can be animated but background-color cannot be, unless the jQuery.Color plugin is used). css() method, except that the range of properties is more restrictive. This object is similar to the one that can be sent to the. The only required parameter is a plain object of CSS properties. animate() method allows us to create animation effects on any numeric CSS property.

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