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The use of javascript-prompt

Source: Internet
Author: User
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The use of prompt 
<! DOCTYPE HTML PUBLIC "-//w3c//dtd HTML 4.01 transitional//en" ><html>  <head>    <title>Test02.html</title>    <script type="Text/javascript">        /*var count=prompt ("Please enter the number of times:", ""); for (Var i=0;i<count;i++) {Document.writeln ("Hello javascript!        <br/> "); }*/        //Print triangle        varNum=prompt ("Please enter the number of lines in the triangle:"); for(varI=1; i<=num;i++) { for(varj=1; j<=i;j++) {Document.writeln ("*&nbsp;&nbsp;")} Document.writeln ("<br/>"); }//Print the bottom half of the diamond         for(vari=num-1;i>0; i--) { for(j=i;j>0; j--) {Document.writeln ("*&nbsp;&nbsp;")} Document.writeln ("<br/>"); } document.rte ();//Print square, print up to 8 lines        varNum2=prompt ("Please enter the number of rows in the square:","");if(num2>8) {num2=8; } for(varI=1; i<=num2;i++) { for(varj=1; j<=num2;j++) {Document.writeln ("*&nbsp;")} Document.writeln ("<br/>"); }</script>  </head>  <body Style="Text-align:center;" >  </body></html>

The use of javascript-prompt

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