Javascript 如何将setTimeout添加到此类型的动画?
我不是javascripter。我知道的足以复制、粘贴和修补。但我对这个脚本理解不够,无法添加setTimeout,这与W3示例不符 这是我用于文本类型动画的脚本。我想把功能延迟几毫秒。我怎么做呢Javascript 如何将setTimeout添加到此类型的动画?,javascript,Javascript,我不是javascripter。我知道的足以复制、粘贴和修补。但我对这个脚本理解不够,无法添加setTimeout,这与W3示例不符 这是我用于文本类型动画的脚本。我想把功能延迟几毫秒。我怎么做呢 <script type="text/javascript"> var TxtType = function(el, toRotate, period) { this.toRotate = toRotate; this.el = el; this.loopNum =
<script type="text/javascript">
var TxtType = function(el, toRotate, period) {
this.toRotate = toRotate;
this.el = el;
this.loopNum = 0;
this.period = parseInt(period, 8) || 200;
this.txt = '';
this.tick();
this.isDeleting = false;
};
TxtType.prototype.tick = function() {
var i = this.loopNum % this.toRotate.length;
var fullTxt = this.toRotate[i];
if (this.isDeleting) {
this.txt = fullTxt.substring(0, this.txt.length - 2.5);
} else {
this.txt = fullTxt.substring(0, this.txt.length + 1);
}
this.el.innerHTML = '<span class="wrap">'+this.txt+'</span>';
var that = this;
var delta = 122 - Math.random() * 110;
if (this.isDeleting) { delta /= 2; }
if (!this.isDeleting && this.txt === fullTxt) {
delta = this.period;
this.isDeleting = true;
} else if (this.isDeleting && this.txt === '') {
this.isDeleting = false;
this.loopNum++;
delta = 900;
}
setTimeout(function() {
that.tick();
}, delta);
};
window.onload = function() {
var elements = document.getElementsByClassName('typewrite');
for (var i=0; i<elements.length; i++) {
var toRotate = elements[i].getAttribute('data-type');
var period = elements[i].getAttribute('data-period');
if (toRotate) {
new TxtType(elements[i], JSON.parse(toRotate), period);
}
}
// INJECT CSS
var css = document.createElement("style");
css.type = "text/css";
css.innerHTML = ".typewrite > .wrap { border-right: 0.08em solid #fff}";
document.body.appendChild(css);
};
var TxtType=函数(el、toRotate、period){
this.toRotate=toRotate;
this.el=el;
this.loopNum=0;
this.period=parseInt(period,8)| 200;
this.txt=“”;
这个。勾选();
this.isDeleting=false;
};
TxtType.prototype.tick=函数(){
var i=this.loopNum%this.toRotate.length;
var fullTxt=this.toRotate[i];
如果(这是删除){
this.txt=fullTxt.substring(0,this.txt.length-2.5);
}否则{
this.txt=fullTxt.substring(0,this.txt.length+1);
}
this.el.innerHTML=''+this.txt+'';
var=这个;
var delta=122-Math.random()*110;
如果(this.isDeleting){delta/=2;}
如果(!this.isDeleting&&this.txt===fullTxt){
delta=这个周期;
this.isDeleting=true;
}else if(this.isDeleting&&this.txt==''){
this.isDeleting=false;
这个.loopNum++;
δ=900;
}
setTimeout(函数(){
那。勾选();
},三角洲);
};
window.onload=函数(){
var elements=document.getElementsByClassName('typewrite');
对于(var i=0;i要使用setTimeout
延迟函数,您需要执行以下操作:
var myFunction = function() {
// awesome stuff
};
setTimeout(myFunction, 1000);
这将在1000毫秒后运行myFunction
您还可以将要匿名延迟的函数定义为setTimeout
的第一个参数,如下所示:
setTimeout(function() {
// awesome stuff
}, 1000);
使用setTimeout
的这两个版本是相同的。setTimeout(function(){that.tick();},delta);您的delta变量是设置900毫秒的部分,如果您将其更改为10000=10秒,则delta值是键入/删除每个字符之间经过的时间。