用html5 js实现点击一个按钮达到浏览器全屏效果

  项目中需要将后台浏览器的窗口全屏,也就是我们点击一个按钮要实现按F11全屏的效果。 在HTML5中,W3C制定了关于全屏的API,就可以实现全屏幕的效果,也可以让页面中的图片,视频等全屏目前只有google chrome 15 +, safri5.1+,firfox10+,IE11支持

  全屏

  

复制代码 代码如下:

  var docElm = document.documentElement;

  //W3C

  if (docElm.requestFullscreen) {

  docElm.requestFullscreen();

  }

  //FireFox

  else if (docElm.mozRequestFullScreen) {

  docElm.mozRequestFullScreen();

  }

  //Chrome等

  else if (docElm.webkitRequestFullScreen) {

  docElm.webkitRequestFullScreen();

  }

  //IE11

  else if (elem.msRequestFullscreen) {

  elem.msRequestFullscreen();

  }

  退出全屏

  

复制代码 代码如下:

  if (document.exitFullscreen) {

  document.exitFullscreen();

  }

  else if (document.mozCancelFullScreen) {

  document.mozCancelFullScreen();

  }

  else if (document.webkitCancelFullScreen) {

  document.webkitCancelFullScreen();

  }

  else if (document.msExitFullscreen) {

  document.msExitFullscreen();

  }

  事件监听

  

复制代码 代码如下:

  document.addEventListener("fullscreenchange", function () {

  fullscreenState.innerHTML = (document.fullscreen)? "" : "not ";}, false);

  document.addEventListener("mozfullscreenchange", function () {

  fullscreenState.innerHTML = (document.mozFullScreen)? "" : "not ";}, false);

  document.addEventListener("webkitfullscreenchange", function () {

  fullscreenState.innerHTML = (document.webkitIsFullScreen)? "" : "not ";}, false);

  document.addEventListener("msfullscreenchange", function () {

  fullscreenState.innerHTML = (document.msFullscreenElement)? "" : "not ";}, false);

  全屏样式设置

  在浏览器全屏的使用我们还可以进行样式设置

  

复制代码 代码如下:

  html:-moz-full-screen {

  background: red;

  }

  html:-webkit-full-screen {

  background: red;

  }

  html:fullscreen {

  background: red;

  }