JS实现网页加载中的等待框

JS实现网页加载中的等待框

JavaScript 其它杂项

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详细介绍

链接

调用

  • LoadShow();
  • LoadHide();

主要代码

JS

function LoadShow() {
  if ($("#loading_wrapper").length > 0) {
    return false;
  }
  var str = "<div id='loading_wrapper' class='loaders_wrapper'><div class='loader'><div class='loader-inner ball-spin-fade-loader'><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div></div></div></div>";
  $("body").append(str);
  $("#loading_wrapper").show();
}
function LoadHide() {
  $("#loading_wrapper").hide().remove();
}

CSS

/*在线预览等待框*/
.loaders_wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #000;
  filter: alpha(opacity=50);
  opacity: 0.4;
  color: #fff;
  font-size: 14px;
  font-family: 'Source Sans Pro';
  display: none;
  z-index: 99999;
}

.loaders_wrapper .loader {
  max-width: 70px;
  height: 70px;
  position: absolute;
  left: 50%;
  top: 50%;
  margin-left: -35px;
  margin-top: -35px;
}

@-webkit-keyframes ball-spin-fade-loader {
  50% {
    opacity: 0.3;
    -webkit-transform: scale(0.4);
    transform: scale(0.4);
  }
  100% {
    opacity: 1;
    -webkit-transform: scale(1);
    transform: scale(1);
  }
}

@keyframes ball-spin-fade-loader {
  50% {
    opacity: 0.3;
    -webkit-transform: scale(0.4);
    transform: scale(0.4);
  }
  100% {
    opacity: 1;
    -webkit-transform: scale(1);
    transform: scale(1);
  }
}

.ball-spin-fade-loader {
  position: relative;
}

.ball-spin-fade-loader > div:nth-child(1) {
  top: 25px;
  left: 0;
  -webkit-animation: ball-spin-fade-loader 1s 0s infinite linear;
  animation: ball-spin-fade-loader 1s 0s infinite linear;
}

.ball-spin-fade-loader > div:nth-child(2) {
  top: 17.04545px;
  left: 17.04545px;
  -webkit-animation: ball-spin-fade-loader 1s 0.12s infinite linear;
  animation: ball-spin-fade-loader 1s 0.12s infinite linear;
}

.ball-spin-fade-loader > div:nth-child(3) {
  top: 0;
  left: 25px;
  -webkit-animation: ball-spin-fade-loader 1s 0.24s infinite linear;
  animation: ball-spin-fade-loader 1s 0.24s infinite linear;
}

.ball-spin-fade-loader > div:nth-child(4) {
  top: -17.04545px;
  left: 17.04545px;
  -webkit-animation: ball-spin-fade-loader 1s 0.36s infinite linear;
  animation: ball-spin-fade-loader 1s 0.36s infinite linear;
}

.ball-spin-fade-loader > div:nth-child(5) {
  top: -25px;
  left: 0;
  -webkit-animation: ball-spin-fade-loader 1s 0.48s infinite linear;
  animation: ball-spin-fade-loader 1s 0.48s infinite linear;
}

.ball-spin-fade-loader > div:nth-child(6) {
  top: -17.04545px;
  left: -17.04545px;
  -webkit-animation: ball-spin-fade-loader 1s 0.6s infinite linear;
  animation: ball-spin-fade-loader 1s 0.6s infinite linear;
}

.ball-spin-fade-loader > div:nth-child(7) {
  top: 0;
  left: -25px;
  -webkit-animation: ball-spin-fade-loader 1s 0.72s infinite linear;
  animation: ball-spin-fade-loader 1s 0.72s infinite linear;
}

.ball-spin-fade-loader > div:nth-child(8) {
  top: 17.04545px;
  left: -17.04545px;
  -webkit-animation: ball-spin-fade-loader 1s 0.84s infinite linear;
  animation: ball-spin-fade-loader 1s 0.84s infinite linear;
}

.ball-spin-fade-loader > div {
  background-color: #fff;
  width: 15px;
  height: 15px;
  border-radius: 100%!important;
  margin: 2px;
  -webkit-animation-fill-mode: both;
  animation-fill-mode: both;
  position: absolute;
}
/*在线预览等待框*/
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