How to Create page loader with using CSS and Javascript

					
						<div id="preloader">
							<div id="status">
								<div class="spinner">
									<div class="rect1"></div>
									<div class="rect2"></div>
									<div class="rect3"></div>
									<div class="rect4"></div>
									<div class="rect5"></div>
								</div>
							</div>
						</div>
					
				

					
						#preloader {
	position: fixed;
	top:0;
	left:0;
	right:0;
	bottom:0;
	background-color: #172737; /* change if the mask should be a color other than white */
	z-index:99999; /* makes sure it stays on top */
}

#status {
	position:absolute;
	width:200px;
	height:200px;
	left:50%; /* centers the loading animation horizontally on the screen */
	top:50%; /* centers the loading animation vertically on the screen */
	margin:-100px 0 0 -100px; /* is width and height divided by two */
}

.spinner {
  margin: 100px auto;
  width: 50px;
  height: 40px;
  text-align: center;
  font-size: 10px;
}

.spinner > div {
  background-color: #fff;
  height: 100%;
  width: 6px;
  display: inline-block;
  -webkit-animation: sk-stretchdelay 1.2s infinite ease-in-out;
  animation: sk-stretchdelay 1.2s infinite ease-in-out;
}

.spinner .rect2 {
  -webkit-animation-delay: -1.1s;
  animation-delay: -1.1s;
}

.spinner .rect3 {
  -webkit-animation-delay: -1.0s;
  animation-delay: -1.0s;
}

.spinner .rect4 {
  -webkit-animation-delay: -0.9s;
  animation-delay: -0.9s;
}

.spinner .rect5 {
  -webkit-animation-delay: -0.8s;
  animation-delay: -0.8s;
}

@-webkit-keyframes sk-stretchdelay {
  0%, 40%, 100% { -webkit-transform: scaleY(0.4) }  
  20% { -webkit-transform: scaleY(1.0) }
}

@keyframes sk-stretchdelay {
  0%, 40%, 100% { 
    transform: scaleY(0.4);
    -webkit-transform: scaleY(0.4);
  }  20% { 
    transform: scaleY(1.0);
    -webkit-transform: scaleY(1.0);
  }
}
					
				

					
						$(document).ready(function() {
		//////Loader//////
		$(window).load(function() { // makes sure the whole site is loaded
			$('#status').fadeOut(); // will first fade out the loading animation
			$('#preloader').delay(350).fadeOut('slow'); // will fade out the white DIV that covers the website.
			$('body').delay(350).css({'overflow':'visible'});
		})
	});