javascript - Why words count mismatching with read word count? -


i using below code speed reading simulation. working fine. have pasted 500 words box, after read words, words count differing input words count.

$('#sim').each(function(){          this.contenteditable = true;      });            var go = $('#go');      var stop = $('#stop');      var wordcount = 0;      var wordcountbox = $('#wordcountbox');      var timepassed = $('#timepassed');      var textread = $('#textread');                  go.on("click", function(e){          e.preventdefault();          startsim();      });            function startsim(){          var speed = $('#speed').val();          timestart = $.now();          var sim = $('#sim').text();          var wordarray = sim.split(" ");          var simwrap = $('#sim');                    var arrcount = wordarray.length;          var alreadyread = [];                    (var = 0; < arrcount; i++) {              (function(index) {                  settimeout(function() {                       var pos = index;                      if(pos < 0){                          pos = 0;                      }                      alreadyread.push(wordarray[pos]);                      wordarray[pos] = '<b>'+wordarray[pos]+'</b>';                      var words = wordarray.join(" ");                      simwrap.html(words);                                      wordcount++;                      if(pos == (arrcount - 1)){                          triggerdone();                      }                  }, * speed);               })(i);          }          // function done          function triggerdone(){              wordcountbox.text(wordcount+' words read');              var timeend = $.now();              var timeres = timeend - timestart;              timeres = parseint(timeres);              timeres = timeres / 1000;              timepassed.text(timeres+" seconds have passed");              alreadyread = alreadyread.join("");              textread.text(alreadyread);              var summary = $('#summary');              summary.show();              return;          }           stop.on("click", function(e){              e.preventdefault();              triggerdone();          });      }
#sim{          width:800px;          height:300px;          border:solid 1px #2e2e2e;          color:#2e2e2e;          padding:5px;      overflow:auto;      border:9px outset #0ada0a;      margin-top:1em;      }
<div id="sim"></div>

why calculating words count?

and 1 more doubt, how auto scroll, when reading words.

could please solve this?

the first issue with:

var wordarray = sim.split(" ");

in case, it's creating new "word" array each time space encountered... string like:

var words = "foo bar bim baz";

will return , array length of 6. use regex...

var wordarray = sim.split(/\s+/);

.. , solve problem.


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