背景: 前几天在做项目的过程中需要更改div的scrollTop,要求运动过程类似IOS Webview可视区吸顶动画,先快后慢 分析: css不能设置offsetTop,需要JS动态更改offsetTop。 动画先快后慢意味着,scrollTop更改的速度越来越慢 移动总体的距离是scrollTop。 事件控制在两秒之类,小于一屏幕1s,大于一屏幕2s 速度??距离??
代码语言:javascript 复制 /* Though the animated output type may be a color, Bézier curves work w/ numerical ratios.*/cubic-bezier(0.1,red,1.0,green)/* Abscissas must be in the [0, 1] range or the curve is not a function of time. */cubic-bezier(2.45,0.6,4,0.1)/* The two point...
In this case, the background rule becomes:background: linear-gradient(var(--angle, 0deg), #ff9800 50%, #3c3c3c 0);In the JavaScript code, we tweak the update() function:function update() { f += dir; let k = f/NF; document.body.style.setProperty( '--angle', `${+(k*180)....
【知识点:Animate-timing-function定义的贝塞尔曲线】 ①transition-timing-function属性 transition-timing-function属性指定切换效果的速度。 此属性允许一个过渡效果,以改变其持续时间的速度。 语法:transition-timing-function: cubic-bezier(n,n,n,n); https://www.runoob.com/cssref/css3-pr-transition-timing-fu...
如果翻译成 JavaScript,大致如下: varanimateAtStart =function(steps, duration) {varcurrent =0;varinterval = duration / steps;vartimer =function() { current++;applyStylesAtStep(current);if(current < steps) {setTimeout(timer, interval);
通过调整 transition-timing-function 属性,你可以控制过渡效果的速度和动画效果,从而使你的界面交互更加生动和吸引人。 默认值:ease 继承:no 版本:CSS3 JavaScript 语法:object.style.transitionTimingFunction="linear" 语法 transition-timing-function: linear|ease|ease-in|ease-out|ease-in-out|cubic-bezier(n,n...
注意:Internet Explorer 9 及其之前的版本不支持 transitionTimingFunction 属性。语法返回transitionTimingFunction 属性:object.style.transitionTimingFunction 设置transitionTimingFunction 属性:object.style.transitionTimingFunction ="ease|linear|ease-in|ease-out|ease-in-out|cubic-bezier()|initial|inherit" ...
function myFunction() { alert('Hello'); } Try it yourself » How to Stop the Execution? The clearTimeout() method stops the execution of the function specified in setTimeout(). window.clearTimeout(timeoutVariable) Thewindow.clearTimeout()method can be written without the window prefix...
{-webkit-animation-timing-function: ease-in-out;} /* 标准语法 */ #div1 {animation-timing-function: linear;} #div2 {animation-timing-function: ease;} #div3 {animation-timing-function: ease-in;} #div4 {animation-timing-function: ease-out;} #div5 {animation-timing-function: ease-in-...
#div1 {transition-timing-function: linear;} #div2 {transition-timing-function: ease;} #div3 {transition-timing-function: ease-in;} #div4 {transition-timing-function: ease-out;} #div5 {transition-timing-function: ease-in-out;} /* Safari */ #div1 {-webkit-transition-timing-function: li...