Get number of occurrences of a character in JavaScript [duplicate]

Answer 1

Use the following code to divide some data using ',' from a statement:

 var str = "Stack,Overflow,best,for,coder"    
 var matchesCount = str.split(",").length;
 var vallueArray = str.split(',', matchesCount);
 var value1= "";
 for (var i = 0 ; i < vallueArray.length; i++) {
         value1= value1+ vallueArray [i] + " ";
    }
  document.getElementById("txt1").value = value1;