jquery - Javascript code added in the div section of html code does not show anything. -


this code using visualize bar chart trying dataset using. not showing anything.

<!doctype html> <html> <head>     <meta http-equiv="x-ua-compatible" content="ie=edge">            <meta http-equiv="content-type" content="text/html;charset=utf-8"/>         <link type="text/css" rel="stylesheet" href="style.css"/>         <script type="text/javascript" src="d3/d3.js"></script>         <script type="text/javascript" src="d3/d3.layout.js"></script>         <script type="text/javascript" src="d3/d3.v3.js"></script>         <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js"></script>         <link rel="stylesheet" href="css/bootstrap.min.css">         <style type="text/css"> .chart { display: block; margin: auto; margin-top: 0px; }  text {  font-size: 11px; }  rect { fill: none; }  div.bar {             display: inline-block;             width: 20px;             height: 75px;   /* gets overriden d3-assigned height below */             background-color: teal;             margin-right: 2px;         }  .axis path,         .axis line {           fill: none;           stroke: black;           shape-rendering: crispedges;         }          .axis text {           font-family: sans-serif;           font-size: 11px;         }   </style>  </head>    <body>     <div class="container" >         <div class="row" >             <div class="col-md-4 img-responsive"><img src="img/e2.png" alt="smiley face" height="100" width="100"></div>               <div class="col-md-4" >             <div id="body">               <div id="footer">                 <h3>course scheduler treemap</h3>                 <div class="hint">click or option-click descend or ascend</div>                 <div><select>                   <option value="size">size</option>                   <option value="count">count</option>                 </select></div>               </div>             </div>             </div>               <div class="col-md-4" >                 <h1 >plan courses</h1>              </div>          </div>            <div class="row">             <div class="col-md-12">                 <h2>implementation of svg work</h2>    <script type="text/javascript">     var dataset = [ 25, 7, 5, 26, 11, 8, 25, 14, 23, 19,             14, 11, 22, 29, 11, 13, 12, 17, 18, 10,             24, 18, 25, 9, 3 ];          //width , height             var w = 500;             var h = 100;             var barpadding = 1;   // <-- new!            /*  var dataset =[] ;             (var =0; i<25; i++) {                 var newnumber = math.round(math.random() * 25);                 dataset.push(newnumber);             }*/         //create svg element             var svg = d3.select("body")             .append("svg")             .attr("width", w)             .attr("height", h);          // generating rectangles , making bar chart               svg.selectall("rect")            .data(dataset)            .enter()            .append("rect")            .attr("x", function(d, i) {                 return * (w / dataset.length);             })            .attr("y", function(d) {                 return h- (d*5);            })            .attr("width", w / dataset.length - barpadding)            .attr("height", function(d) {                 return d*5;            })            .attr("fill", function(d) {                 return "rgb(0, 0, " + (d * 10) + ")";             });      // appendind text bar chart          svg.selectall("text")            .data(dataset)            .enter()            .append("text")            .text(function(d) {                 return d;            })            .attr("x", function(d, i) {                 return * (w / dataset.length) + 3;            })            .attr("y", function(d) {                 return h - (d * 4) + 10;            })            .attr("font-family", "sans-serif")            .attr("font-size", "11px")            .attr("fill", "white");       </script>              </div>         </div>      </div> </body> </html> 

------- same code working when there no div thing in html used , whole javascript code written in body. here code working fine.

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    <!doctype html>     <html lang="en">         <head>             <meta charset="utf-8">             <title>bar char test</title>             <script type="text/javascript" src="d3/d3.v3.js"></script>              <style type="text/css">                  div.bar {                     display: inline-block;                     width: 20px;                     height: 75px;   /* gets overriden d3-assigned height below */                     background-color: teal;                     margin-right: 2px;                 }              </style>           </head>           <body>              <script type="text/javascript">             var dataset = [ 25, 7, 5, 26, 11, 8, 25, 14, 23, 19,                     14, 11, 22, 29, 11, 13, 12, 17, 18, 10,                     24, 18, 25, 9, 28 ];                  //width , height                     var w = 500;                     var h = 120;                     var barpadding = 1;   // <-- new!                  //create svg element                     var svg = d3.select("body")                     .append("svg")                     .attr("width", w)                     .attr("height", h);                  // generating rectangles , making bar chart                       svg.selectall("rect")                    .data(dataset)                    .enter()                    .append("rect")                    .attr("x", function(d, i) {                         return * (w / dataset.length);                     })                    .attr("y", function(d) {                         return h- (d*5);                    })                    .attr("width", w / dataset.length - barpadding)                    .attr("height", function(d) {                         return d*5;                    })                    .attr("fill", function(d) {                         return "rgb(0, 0, " + (d * 10) + ")";                     });              // appendind text bar chart                  svg.selectall("text")                    .data(dataset)                    .enter()                    .append("text")                    .text(function(d) {                         return d;                    })                    .attr("x", function(d, i) {                         return * (w / dataset.length) + 3;                    })                    .attr("y", function(d) {                         return h - (d * 4) + 10;                    })                    .attr("font-family", "sans-serif")                    .attr("font-size", "11px")                    .attr("fill", "white");               </script>             </body>              </html> 

i think "rect" styling using solve purpose. try removing "rect" styling section of css because using "rect" thing svg.


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