时间:2021-07-01 10:21:17 帮助过:31人阅读
自己的第一个成果
css
body{ background: black; } #slider_1{ width: 400px; height: 2px; border-radius: 1px; display: -webkit-flex; position: relative; margin: 30px auto; } #oSlider{ width: 15px; height: 15px; position: absolute; border: 1px solid rgb(249,247,107); border-radius: 10px; background: rgb(249,247,107); top: -7px; } #slider_11{ -webkit-flex:1; background: rgb(249,247,107); border-radius: 1px 0 0 1px; } #slider_12{ -webkit-flex:1; background: rgba(255,255,255,0.3); border-radius: 0 1px 1px 0px; }
#num{
font-size: 24px;
color: white;
display: block;
text-align: center;
}
html
js
var slider_1=document.getElementById("slider_1");
var oSlider=document.getElementById("oSlider");
var num=document.getElementById("num");
var width=400;
var min=-7;
var max=393;
var drag=false;
var slider_11=document.getElementById("slider_11");
var slider_12=document.getElementById("slider_12");
slider_1.onclick=function(){
var ewidth=event.clientX-slider_1.offsetLeft;
change(ewidth);
}
oSlider.onmousedown=function(){
drag=true;
}
document.onmousemove=function(){
if(drag){
var ewidth=event.clientX-slider_1.offsetLeft;
if(ewidth<=min||ewidth>=max) return ;
change(ewidth);
}
}
document.onmouseup=function(){
drag=false;
}
function change(ewidth){
num.innerText=Math.round((ewidth+6)/width*100);
slider_11.style["-webkit-flex"]=ewidth/width;
slider_12.style["-webkit-flex"]=(width-ewidth)/width;
oSlider.style.left=ewidth+"px";
}