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javascript - 使不同长度的文本以相同的速度滚动

问题描述

我有几行在悬停时向左滚动的文本，目前它们都以不同的速度滚动，具体取决于跨度标签内有多少文本。无论文本长度如何，如何使它们都以相同的速度滚动？我想这可以通过一些 javascript 实现，但我不确定。

.menu {
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;

    --marquee-width: 100vw;
    --offset: 20vw;
    --move-initial: calc(-25% + var(--offset));
    --move-final: calc(-50% + var(--offset));
    --item-font-size: 10vw;
    counter-reset: menu;
}

.menu__item {
    cursor: default;
    position: relative;
    padding: 0 50px;
}

@media only screen and (max-width: 600px) {
    .menu__item {
        cursor: default;
        position: relative;
        padding: 0 20px;
    }
}


.menu__item-link {
    display: inline-block;
    cursor: pointer;
    position: relative;
}

.menu__item-link::before {
    all: initial;
    font-family: sofia-pro, sans-serif;
    position: absolute;
    bottom: 60%;
    left: 0;
    pointer-events: none;
}

.menu__item-link:hover {
    transition-duration: 0.1s;
    opacity: 0;
}

.marquee {
    position: absolute;
    top: 0;
    left: 0;
    width: var(--marquee-width);
    overflow: hidden;
    pointer-events: none;
}

.marquee__inner {
    width: fit-content;
    display: flex;
    position: relative;
    transform: translate3d(var(--move-initial), 0, 0);
    animation: scroll 5s linear infinite;
    animation-play-state: paused;
    opacity: 0;
    transition: opacity 0.1s;
}

.menu__item-link:hover ~ .marquee .marquee__inner {
    animation-play-state: running;
    opacity: 1;
    transition-duration: 0.4s;
    z-index: 9999;
}

.menu__item-link, .marquee span {
    white-space: nowrap;
    font-size: 8vw;
    padding: 0 1vw;
    font-weight: 900;
    line-height: 1.15;
}

.marquee span {
    font-style: italic;
    -webkit-text-stroke: 3px #FB4D98;
    text-stroke: 3px #FB4D98;
    -webkit-text-fill-color: transparent;
    text-fill-color: transparent;
    color: transparent;
    transition: opacity 0.1s;
    letter-spacing: 1.5px;
}

@keyframes scroll {
    0% {
        transform: translate3d(var(--move-initial), 0, 0);
    }
    100% {
        transform: translate3d(var(--move-final), 0, 0);
    }
}
<nav class="menu">
    <div class="menu__item">
        <a class="menu__item-link" target="_blank">DJ SNAKE</a>
        <div class="marquee">
            <div class="marquee__inner" aria-hidden="true">
                <span>DJ SNAKE</span>
                <span>DJ SNAKE</span>
                <span>DJ SNAKE</span>
                <span>DJ SNAKE</span>
            </div>
        </div>
    </div>
</nav>

<nav class="menu">
    <div class="menu__item">
        <a class="menu__item-link" target="_blank">AXWELL INGROSSO</a>
        <div class="marquee">
            <div class="marquee__inner" aria-hidden="true">
                <span>AXWELL INGROSSO</span>
                <span>AXWELL INGROSSO</span>
                <span>AXWELL INGROSSO</span>
                <span>AXWELL INGROSSO</span>
            </div>
        </div>
    </div>
</nav>

<nav class="menu">
    <div class="menu__item">
        <a class="menu__item-link" target="_blank">ELIJAH</a>
        <div class="marquee">
            <div class="marquee__inner" aria-hidden="true">
                <span>ELIJAH</span>
                <span>ELIJAH</span>
                <span>ELIJAH</span>
                <span>ELIJAH</span>
            </div>
        </div>
    </div>
</nav>

标签： javascripthtmlcss

解决方案

一种解决方案是将宽度定义为所有 div 的宽度相同。

/*(function() {
  var mySpans = document.querySelectorAll(".marquee__inner");
  var elementSpanWidth = 0;

  mySpans.forEach((span) => {
     if(span.offsetWidth > elementSpanWidth)
      elementSpanWidth = span.offsetWidth;
  });
  
  console.log(elementSpanWidth);
  
  mySpans.forEach((span) => {
     span.style.width = elementSpanWidth;
  });
  
  
})();*/
.menu {
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;

    --marquee-width: 100vw;
    --offset: 20vw;
    --move-initial: calc(-25% + var(--offset));
    --move-final: calc(-50% + var(--offset));
    --item-font-size: 10vw;
    counter-reset: menu;
}

.menu__item {
    cursor: default;
    position: relative;
    padding: 0 50px;
}

@media only screen and (max-width: 600px) {
    .menu__item {
    cursor: default;
    position: relative;
    padding: 0 20px;
}
}


.menu__item-link {
    display: inline-block;
    cursor: pointer;
    position: relative;

}

.menu__item-link::before {
    all: initial;
    font-family: sofia-pro, sans-serif;
    position: absolute;
    bottom: 60%;
    left: 0;
    pointer-events: none;
}

.menu__item-link:hover {
    transition-duration: 0.1s;
    opacity: 0;
}



.marquee {
    position: absolute;
    top: 0;
    left: 0;
    width: var(--marquee-width);
    overflow: hidden;
    pointer-events: none;
}

.marquee__inner {
    width: fit-content;
    display: flex;
    position: relative;
    transform: translate3d(var(--move-initial), 0, 0);
    animation: scroll 5s linear infinite;
    animation-play-state: paused;
    opacity: 0;
    transition: opacity 0.1s;
}

.menu__item-link:hover ~ .marquee .marquee__inner {
    animation-play-state: running;
    opacity: 1;
    transition-duration: 0.4s;

    z-index: 9999;
}


.menu__item-link,
.marquee span {
    white-space: nowrap;
    font-size: 8vw;
    padding: 0 1vw;
    font-weight: 900;
    line-height: 1.15;

    
}

.marquee span {
    font-style: italic;
        -webkit-text-stroke: 3px #FB4D98;
    text-stroke: 3px #FB4D98;
    -webkit-text-fill-color: transparent;
    text-fill-color: transparent;
    color: transparent;
    transition: opacity 0.1s;
    letter-spacing: 1.5px;

}

@keyframes scroll {
    0% {
        transform: translate3d(var(--move-initial), 0, 0);
    }

    100% {
        transform: translate3d(var(--move-final), 0, 0);
    }
}
<nav class="menu">
            <div class="menu__item">
                <a class="menu__item-link" target="_blank">DJ SNAKE
   
  </a>
                <div class="marquee">
                    <div class="marquee__inner" aria-hidden="true">
<span>DJ SNAKE</span>
<span>DJ SNAKE</span>
<span>DJ SNAKE</span>
<span>DJ SNAKE</span>   </div>
                </div>
            </div>
        </nav>

<nav class="menu">
            <div class="menu__item">
                <a class="menu__item-link" target="_blank">AXWELL INGROSSO
   
  </a>
                <div class="marquee">
                    <div class="marquee__inner" aria-hidden="true">
                        <span>AXWELL INGROSSO</span>
                        <span>AXWELL INGROSSO</span>
                        <span>AXWELL INGROSSO</span>
                        <span>AXWELL INGROSSO</span>
                    </div>
                </div>
            </div>
        </nav>

<nav class="menu">
            <div class="menu__item">
                <a class="menu__item-link" target="_blank">ELIJAH
   
  </a>
                <div class="marquee">
                    <div class="marquee__inner" aria-hidden="true">
                        <span>ELIJAH</span>
                        <span>ELIJAH</span>
                        <span>ELIJAH</span>
                        <span>ELIJAH</span>
            </div>
                </div>
            </div>
        </nav>

第二种选择是使用 JavaScript 来获取最大宽度并在其他 div 上动态修复。

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