分类 代码 下的文章

CSS - 一个 a:hover

#test a:hover {
  text-decoration: none;
  background: url("http://xiaowiba.com/demo/svg/test-ahover.svg")
    repeat-x 0 100% !important;
  background-size: 20px auto !important;
  animation: waveMove 1s infinite linear !important;
}

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css - 斜线

#lineTd {
            width: 200px;
            color: #000000;
            font-size: 30px;
            text-align: center;
            font-weight: 100;
            border-bottom: 1px solid #6BA1FF;
            height: 130px;
            box-sizing: border-box;
            text-indent: 0;
            background: linear-gradient(33deg, transparent 49.5%, #CDD4F3 49.5%, #CDD4F3 50.5%, transparent 50.5%);
          }

效果

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vue - 长摁操作

let timeOutEvent=0;//定时器  
// html
<div @touchstart="gotouchstart" @touchmove="gotouchmove" @touchend="gotouchend"></div>
//js
gotouchstart(){
   let that = this;
   clearTimeout(timeOutEvent);//清除定时器
   timeOutEvent = 0;
   timeOutEvent = setTimeout(function(){
        //执行长按要执行的内容,
        // TODO
     },600);//这里设置定时
 },
//手释放,如果在500毫秒内就释放,则取消长按事件,此时可以执行onclick应该执行的事件
gotouchend(){
    clearTimeout(timeOutEvent);
      if(timeOutEvent!=0){
        //这里写要执行的内容(尤如onclick事件)
     }
},
//如果手指有移动,则取消所有事件,此时说明用户只是要移动而不是长按 
gotouchmove(){
     clearTimeout(timeOutEvent);//清除定时器
     timeOutEvent = 0;
},

vue - 动态绑定 class

:class="[
              ' dialog-bedOrRoomList text-ellipsis ',
              isSelect === true?' active ':' ',
              isDisabled === true?' disabled ':'',
              ]"

jQuery - 获取对象 object 的长度

var bookAuthors = {
    "Farmer Giles of Ham": "J.R.R. Tolkien",
    "Out of the Silent Planet": "C.S. Lewis",
    "The Place of the Lion": "Charles Williams",
    "Poetic Diction": "Owen Barfield"
};
// 获取对象的key值
var arr = Object.keys(bookAuthors);
console.log(arr);
// 获取长度
console.log(arr.length);