Multiple methods to load the image once it is displayed

  • 2020-03-30 01:46:21
  • OfStack

Method one:
 
<script type= " text/javascript " > 
var obj = new Image(); 
obj.src =  " yourpicurl.jpg " ; 
obj.onload = function() { //This place can be repeated to write, if the error, change to the outside
document.getElementById( " mypic " ).innnerHTML =  " <img src=' " +this.src+ "'  /> " ; 
} 
</script> 
<div id= " mypic " >onloading ... </div> 

Method 2:
 
<script type= " text/javascript " > 
var obj = new Image(); 
obj.src =  " yourpicurl.jpg " ; 
obj.onreadystatechange = function() { 
if ( this.readyState ==  " complete " ) { //This place can be repeated to write, if the error, change to the outside
document.getElementById( " mypic " ).innnerHTML =  " <img src=' " +this.src+ "'  /> " ; 
} 
} 
</script> 
<div id= " mypic " >onloading ... </div> 

Method 3:
 
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 
<html xmlns="http://www.w3.org/1999/xhtml"> 
<head> 
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> 
<title> Headless document </title> 
</head> 
<script language="javascript" src="/js/jquery-1.4.4.js" type="text/javascript"> 
</script> 
<script language="javascript" type="text/javascript"> 
<!--//var total;var curt = 0;$(document).ready(function() 
{ 
total = $("#content img").length; 
$("#content img").each(function(){ var image = new Image(); 
image.src = $(this).attr('src'); 
if (image.complete){ 
imageLoaded(); 
} 
else{ 
image.onload = imageLoaded; 
} 
}); 
}); 
function imageLoaded(){ 
curt+=1; 
if(curt==total){ 
$("#content").show(); 
}}//--> 
</script> 
</head> 
<body> 
<div id="content" style="display:none;" > 
<img src="" /> 
<img src="" /> 
<img src="" /> 
</div> 
</body> 
</html> 

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