z-index在firefox中运行不佳

时间：2017-05-02 09:49:36

标签： javascript jquery html css css3

我创建了简单的CSS3动画，但是z-index在firefox中不能正常工作的问题，绿色框必须堆叠在路上但在firefox浏览器中，所以我想了解为什么这个问题是出现了什么是解决方案？

body{
	margin:0;
	color:#444;
	font:300 18px/18px Roboto, sans-serif;
    text-align:center;
}
.element {
    width: 320px;
    height:100px;
    position: absolute;
    z-index: 50;
    left: 50%;
    margin-left:-160px;
    top: 50%;
    background-color:#00fb69;
             
}
@-moz-keyframes animation {
    0% {
        transform:scale(.95,.95) translateY(0px);
    }

    100% {
        transform: scale(.10,.10) translateY(-800px);
    }
}

@keyframes animation {
    0% {
        transform:scale(.95,.95) translateY(0px);
    }

    100% {
        transform: scale(.10,.10) translateY(-800px);
    }
}
.road-wrap{
    -webkit-perspective:160px;
    perspective:160px;
}
.road-wrap .road{
    margin-top:-360px;
    -webkit-transform:rotateX(80deg);
    transform:rotateX(80deg);
}
.road-wrap .lane-wrap{
    -webkit-animation:steer 4s linear infinite;
    animation:steer 4s linear infinite;
    position:relative;
    z-index:-1;
}
.road-wrap .lane{
	width:25px;
	margin:auto;
}
.road-wrap .lane>div{
	width:100%;
	margin:auto;
	margin-top:30px;
	margin-bottom:30px;
    position:relative;
	background-color:#444;
	-webkit-animation:lane 10s linear reverse infinite;
	animation:lane 10s linear reverse infinite;
}
.road-wrap .lane>div:nth-child(1){height:15px}
.road-wrap .lane>div:nth-child(2){height:20px}
.road-wrap .lane>div:nth-child(3){height:30px}
.road-wrap .lane>div:nth-child(4){height:50px}
.road-wrap .lane>div:nth-child(5){height:40px}
.road-wrap .lane>div:nth-child(6){height:50px}
.road-wrap .lane>div:nth-child(7){height:40px}
.road-wrap .lane>div:nth-child(8){height:50px}
.road-wrap .lane>div:nth-child(9){height:30px}
.road-wrap .lane>div:nth-child(10){height:20px}
.road-wrap .lane>div:nth-child(11){height:15px}
@-webkit-keyframes lane{
	0%{
        -webkit-transform:translateY(320px);
        transform:translateY(320px);
	}
	100%{
        -webkit-transform:translateY(-160px);
        transform:translateY(-160px);
	}
}
@keyframes lane{
	0%{
        -webkit-transform:translateY(320px) scale(.60,.60);
        transform:translateY(320px) scale(.60,.60);
	}
	100%{
        -webkit-transform:translateY(-160px) scale(.80,.80);
        transform:translateY(-160px) scale(.80,.80);
	}
}

@media(max-width:768px) {
.element{
    width:150px;
    margin-left:-75px;
}
}
@media (min-width: 768px){
    .element{
    width:250px;
    margin-left:-125px;
}
}
<div class="loading-screen">
    <div class="element">
    </div>
    <div class="road-wrap">
        <div class="road">
            <div class="lane-wrap">
                <div class="lane">
                    <div></div>
                    <div></div>
                    <div></div>
                    <div></div>
                    <div></div>
                    <div></div>
                    <div></div>
                    <div></div>
                    <div></div>
                    <div></div>
                    <div></div>
                </div>
            </div>
        </div>
    </div>
</div>

3 个答案:

答案 0 :(得分：0)

只需在代码中<div class="element">之后放置<div class="road-wrap">。

答案 1 :(得分：0)

您可以通过以下链接找到您的脚本修补程序。

https://jsfiddle.net/w42fqb5e/1/

基本上，您需要在HTML中更改div的顺序。

注意：我在FF 53.0（32位）WIN上测试了这个解决方案。

<div class="loading-screen">
    <div class="road-wrap">
        <div class="road">
            <div class="lane-wrap">
                <div class="lane">
                    <div></div>
                    <div></div>
                    <div></div>
                    <div></div>
                    <div></div>
                    <div></div>
                    <div></div>
                    <div></div>
                    <div></div>
                    <div></div>
                    <div></div>
                </div>
            </div>
        </div>
    </div>
    <div class="element">
    </div>
</div>

答案 2 :(得分：0)

对于真正的解决方案，您应该将此报告给Mozilla的bugzilla。

调试起来相当困难，但是当我看到效果时，我试图暂停动画，显然，当动画停止时，屏幕上的一切都恢复正常......

对于那些感兴趣的人，here is the fiddle我在几十分钟内试图捕捉到这个错误（可能是一个很好的游戏b.t.w）。

现在，因为我猜你愿意一个解决方法，好吧......我可能有一个js 因为我认为我们发现动画是问题所在，我觉得小熊猫在渲染过程中小睡一会儿，我们只需告诉它永不睡觉。
要做到这一点，我们可以通过简单地调用其.element个属性来不断请求我们offsetXXX的重排。

请注意，由于该错误仅偶尔发生在我的机器上，我无法确定此解决方法实际上在100％的时间内都有效。所以要善意，请在评论中告诉我你失败了。

// forces a reflow at every frame
const element = document.querySelector('.element');
const anim = t => {
  element.offsetLeft;
  requestAnimationFrame(anim)
}
anim();


// forces a reflow at every frame
const element = document.querySelector('.element');
const anim = t => {
  element.offsetLeft;
  requestAnimationFrame(anim)
}
anim();
body{
	margin:0;
	color:#444;
	font:300 18px/18px Roboto, sans-serif;
    text-align:center;
}
.element {
    width: 320px;
    height:100px;
    position: absolute;
    z-index: 50;
    left: 50%;
    margin-left:-160px;
    top: 50%;
    background-color:#00fb69;
             
}
@-moz-keyframes animation {
    0% {
        transform:scale(.95,.95) translateY(0px);
    }

    100% {
        transform: scale(.10,.10) translateY(-800px);
    }
}

@keyframes animation {
    0% {
        transform:scale(.95,.95) translateY(0px);
    }

    100% {
        transform: scale(.10,.10) translateY(-800px);
    }
}
.road-wrap{
    -webkit-perspective:160px;
    perspective:160px;
}
.road-wrap .road{
    margin-top:-360px;
    -webkit-transform:rotateX(80deg);
    transform:rotateX(80deg);
}
.road-wrap .lane-wrap{
    -webkit-animation:steer 4s linear infinite;
    animation:steer 4s linear infinite;
    position:relative;
    z-index:-1;
}
.road-wrap .lane{
	width:25px;
	margin:auto;
}
.road-wrap .lane>div{
	width:100%;
	margin:auto;
	margin-top:30px;
	margin-bottom:30px;
    position:relative;
	background-color:#444;
	-webkit-animation:lane 10s linear reverse infinite;
	animation:lane 10s linear reverse infinite;
}
.road-wrap .lane>div:nth-child(1){height:15px}
.road-wrap .lane>div:nth-child(2){height:20px}
.road-wrap .lane>div:nth-child(3){height:30px}
.road-wrap .lane>div:nth-child(4){height:50px}
.road-wrap .lane>div:nth-child(5){height:40px}
.road-wrap .lane>div:nth-child(6){height:50px}
.road-wrap .lane>div:nth-child(7){height:40px}
.road-wrap .lane>div:nth-child(8){height:50px}
.road-wrap .lane>div:nth-child(9){height:30px}
.road-wrap .lane>div:nth-child(10){height:20px}
.road-wrap .lane>div:nth-child(11){height:15px}
@-webkit-keyframes lane{
	0%{
        -webkit-transform:translateY(320px);
        transform:translateY(320px);
	}
	100%{
        -webkit-transform:translateY(-160px);
        transform:translateY(-160px);
	}
}
@keyframes lane{
	0%{
        -webkit-transform:translateY(320px) scale(.60,.60);
        transform:translateY(320px) scale(.60,.60);
	}
	100%{
        -webkit-transform:translateY(-160px) scale(.80,.80);
        transform:translateY(-160px) scale(.80,.80);
	}
}

@media(max-width:768px) {
.element{
    width:150px;
    margin-left:-75px;
}
}
@media (min-width: 768px){
    .element{
    width:250px;
    margin-left:-125px;
}
}
<div class="loading-screen">
    <div class="element">
    </div>
    <div class="road-wrap">
        <div class="road">
            <div class="lane-wrap">
                <div class="lane">
                    <div></div>
                    <div></div>
                    <div></div>
                    <div></div>
                    <div></div>
                    <div></div>
                    <div></div>
                    <div></div>
                    <div></div>
                    <div></div>
                    <div></div>
                </div>
            </div>
        </div>
    </div>
</div>

和a fiddle一样。

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