Trying to get SUBSTRING[Answered] RSS

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  TarugoKing

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  2 Points

  9 Posts

  Trying to get SUBSTRING

  Jan 28, 2021 03:52 PM|TarugoKing|LINK

  I have a label control with text  Present: 1/1(2%)

  I want to change via script to Present 1(2%)

  When testing, I can get the string Present: 1 but I can't get the other half (2%) . What am I missing? 

  <script>
      //var x = document.getElementById("Label1");
      //document.getElementById("Label1").innerHTML = x.innerHTML.substring(0, 6);
  
  
  
  
  
      var y = document.getElementById("Label2");
      var nStart = y.innerHTML.indexOf("/")
      var nEnd = y.innerHTML.indexOf("(")
      document.getElementById("Label2").innerHTML = y.innerHTML.substring(0, nStart); 
      document.getElementById("Label2").innerHTML = y.innerHTML.substring(nEnd,5);
     document.getElementById("Label2").innerHTML = y.innerHTML.substring(0, nStart) + y.innerHTML.substring(nEnd,5)
  </script>

  document.getElementById("Label2").innerHTML = y.innerHTML.substring(0, nStart);   <--- Gives me Present: 1   

  document.getElementById("Label2").innerHTML = y.innerHTML.substring(nEnd,5);  <--- Gives me nt: 1/1

  document.getElementById("Label2").innerHTML = y.innerHTML.substring(0, nStart) + y.innerHTML.substring(nEnd,5) <-- Gives me Present: 1nt: 1/1

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  bruce (sqlwo...

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  Re: Trying to get SUBSTRING

  Jan 28, 2021 04:42 PM|bruce (sqlwork.com)|LINK

  in .substring(start,end) the parameters are the indexes. so in .substring(nEnd, 5) is the same as .substring(12, 5).  because 12 is greater than 5, the args are switched, and become .substring(5,12). "Present 1/1(2%)".substring(5,12) returns the characters between position 5 and 12 or "nt: 1/1"

  not sure why you use such complex code when a simple regEx would work:

      document.getElementById("Label2").innerHTML = document.getElementById("Label2").innerHTML.replace(/\/\d*/,"");

  bruce (sqlwork.com)
• • Reply
  TarugoKing

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  9 Posts

  Re: Trying to get SUBSTRING

  Feb 03, 2021 08:52 PM|TarugoKing|LINK

  Thank you.