我希望我的JavaScript中的文本更改动画具有平稳的过渡 [英] I want my text change animation in javascript to have smooth transition

问题描述

所以我有一个h1("Hello，我是xxxxxxxxx")，并用"greeting" id包裹了"Hello"，然后每隔3秒将js中的文本更改为另一种语言的Hello.它工作正常，但我希望它能平滑变化但不会突然弹出.

So I have an h1 ("Hello, I'm xxxxxxxxx") and wraped "Hello" in span with "greeting" id and I change the text in js every 3s to an Hello in another language. It works fine but I want it change smoothly but not pop up suddenly.

// change text every 3 second
    var text = ["Hola", "Hallo", "Merhaba"];
    var counter = 0;
    var elem = document.getElementById("greeting");
    setInterval(change, 3000);
    function change() {
     elem.innerHTML = text[counter];
        counter++;
        if(counter >= text.length) { counter = 0; }
    }

推荐答案

对于Jquery，您可能想使用fadeOut()，然后使用fadeIn()函数.您的代码将是:

With Jquery, you might want to use fadeOut(), then fadeIn() functions. And your code would be like:

var text = ["Hola", "Hallo", "Merhaba"];
var counter = 0;
var elem = $("#greeting");
setInterval(change, 3000);
function change() {
    elem.fadeOut(function(){
        elem.html(text[counter]);
        counter++;
        if(counter >= text.length) { counter = 0; }
        elem.fadeIn();
    });
}

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div id='greeting'>Hello<div>

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