console 命令行工具 X clear
console
{{正面}}


<!DOCTYPE html>
<html>


<h6>查看提示<h6>
<button onclick="document.getElementById('demo').innerHTML=111">提示</button>


<p id="demo"></p>


</body>
</html>
<html>
<head>
<script type="text/javascript">
function upperCase(x)
{


var p2='{{背面}}'
var y=document.getElementById(x).value
//document.getElementById(x).value=y.toUpperCase()


if(y!=p2){
document.getElementById("msg").innerHTML="答案错误";//在div显示错误信息
return false;
}else{
document.getElementById("msg").innerHTML="答案正确";//回答正确
}


}
</script>
</head>


<body>
请输入你的答案：
<input type="text" id="fname" onchange="upperCase(this.id)" />
</body>
<p id="msg"></p>




  <body>
        <input id="textarea-1" onfocus="setCss(this)" type="text" name=""  autofocus >
        <button class="btn" onclick="setCss()">定位光标</button>
        <p id="cl"><br></p>
    </body>
     <script>
         var 正面 ="sss{{::c1ddddsdsdssdsdsfdsf}},撒大声地到宿舍{{::c12222}},{{c1::111}},{{::111}}sadsa{{::c1ddddsdsdssdsdsfdsf}}"
         document.getElementById("cl").innerHTML=正面


        //  var mycars = new Array()
         
        //  var s2=document.getElementById("cl").innerText.search(/{{.*?::.*?}}/i) //找出所有填空位置
        //  document.write(s2)
        

        s2=document.getElementById("cl").innerText.match(/{{.*?::.*?}}/i)
        var ss = new Array(s2)
        var i = 0
        while (s2 != null)  {
            
            var aa = document.getElementById("cl").innerHTML.replace(/{{.*?::.*?}}/,'<input type="text" id="fname""/><button class="btn" onclick="setCss()">填写</button> <button class="btn" onclick="setCss()">提示</button> ')
            document.getElementById("cl").innerHTML=aa
            s2=document.getElementById("cl").innerText.match(/{{.*?::.*?}}/)
            
            ss.push(s2)
            i++
            if(i == 200) {
                break;
            }
          
        }
    document.write(ss)

    function setCss(opt){
            var sr=document.getElementById("textarea-1");
            var len = sr.value.length;
            setSelectionRange(sr,len,len); //将光标定位到文本最后 
        }

        function setSelectionRange(input, selectionStart, selectionEnd) {
            if (input.setSelectionRange) {  
                input.focus();  
                input.setSelectionRange(selectionStart, selectionEnd);  
            }  
            else if (input.createTextRange) {  
                var range = input.createTextRange();  
                range.collapse(true);  
                range.moveEnd('character', selectionEnd);  
                range.moveStart('character', selectionStart);  
                range.select();  
            } 
        } 

    
      
    </script>




    


</html>