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一個(gè)逼真的JS打字效果_文本鏈接特效

確實(shí)很逼真的JS打字效果，配合黑色的背景，整個(gè)效果就像一個(gè)DOS命令窗口一樣，得益于JS與CSS技術(shù)的結(jié)合。這里要注意writeContent(true);的用法。

<!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" mrc="text/html; charset=gb2312" />
<title>JS字幕打字效果-m.ghpqjb.com</title>
    <style type="text/css">
body{
	font-family: Trebuchet MS, Lucida Sans Unicode, Arial, sans-serif;
	margin-top:0px;
	background-repeat:no-repeat;
	padding-top:100px;
	}
    #myContent, #myContent blink{
        width:500px;
        height:200px;
        background:black;
        color: #00FF00;
        font-family:courier;
    }    
    blink{
        display:inline;

}
    </style>
    <script type="text/javascript">	
    var charIndex = -1;
    var stringLength = 0;
    var inputText;
    function writeContent(init){
    if(init){
    	inputText = document.getElementById('mrcToWrite').innerHTML;
    }
        if(charIndex==-1){
            charIndex = 0;
            stringLength = inputText.length;
        }
        var initString = document.getElementById('myContent').innerHTML;
		initString = initString.replace(/<SPAN.*$/gi,"");
        
        var theChar = inputText.charAt(charIndex);
       	var nextFourChars = inputText.substr(charIndex,4);
       	if(nextFourChars=='<BR>' || nextFourChars=='<br>'){
       		theChar  = '<BR>';
       		charIndex+=3;
       	}
        initString = initString + theChar + "<SPAN id='blink'>_</SPAN>";
        document.getElementById('myContent').innerHTML = initString;

charIndex = charIndex/1 +1;
if(charIndex%2==1){
             document.getElementById('blink').style.display='none';
        }else{
             document.getElementById('blink').style.display='inline';
        }
                
        if(charIndex<=stringLength){
            setTimeout('writeContent(false)',150);
        }else{
        	blinkSpan();
        }  
    }
    
    var currentStyle = 'inline';
    function blinkSpan(){
    	if(currentStyle=='inline'){
    	currentStyle='none';
    	}else{
    	currentStyle='inline';
    	}
    	document.getElementById('blink').style.display = currentStyle;
    	setTimeout('blinkSpan()',500);
    	
    }
    </script>
</head>
<body>
<div id="myContent">
</div>
<div id="mrcToWrite" style="display:none">

sharejs.com
Login : username<br>
password : ******<br>
Access is granted<br>
</div>
<script type="text/javascript">
writeContent(true);
</script>

</body>
</html>

所屬頻道：文本鏈接特效/更新時(shí)間：2012-12-06

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