javascript - Script works in Chrome but not IE - Stack Overflow

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It's so simple, but I don't know why IE isn't doing my innerHTML changes and other stuff.

    function changeele2() {
        document.getElementById("eleme2");
        document.getElementById("workout");
        document.getElementById("workoutweek");

        if(workout.value == "Yes") { 
            eleme2.style.display = "inline-block";
            workoutweek.className += " requiredField";
        }

    }

It called if I change the value of a Dropdown:

  <select id="workout" onchange="changeele2()">
      <option>No</option>
      <option>Yes</option>
  </select>

Neither works a Button with Text

I just can't find it out. Has anyone got an idea?

It's so simple, but I don't know why IE isn't doing my innerHTML changes and other stuff.

    function changeele2() {
        document.getElementById("eleme2");
        document.getElementById("workout");
        document.getElementById("workoutweek");

        if(workout.value == "Yes") { 
            eleme2.style.display = "inline-block";
            workoutweek.className += " requiredField";
        }

    }

It called if I change the value of a Dropdown:

  <select id="workout" onchange="changeele2()">
      <option>No</option>
      <option>Yes</option>
  </select>

Neither works a Button with Text

I just can't find it out. Has anyone got an idea?

• javascript
• internet-explorer
• google-chrome
• cross-browser

Share Follow edited Jun 11, 2014 at 9:17 Hannes Schneidermayer asked Apr 17, 2013 at 22:27 Hannes SchneidermayerHannes Schneidermayer 5,78533 gold badges3232 silver badges3535 bronze badges 0

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2 Answers 2

Sorted by: Reset to default 5

When you do document.getElementById("eleme2") you have to save the result of that operation and use that for subsequent access to that element.

function changeele2() {
    var eleme2 = document.getElementById("eleme2");
    var workout = document.getElementById("workout");
    var workoutweek = document.getElementById("workoutweek");

    if (workout.value == "Yes") { 
        eleme2.style.display = "inline-block";
        workoutweek.className += " requiredField";
    }
}

There are some browsers that make a global variable by the same name as the element id so that may be why it was sometimes working, but you should not rely on that.

This script shouldn't be working at all, chrome is salvaging it by looking up the elements by ID.

You should change it like this:

function changeele2()
    {
        var eleme2 = document.getElementById("eleme2");
        var workout = document.getElementById("workout");
        var workoutweek = document.getElementById("workoutweek");

        if(workout.value == "Yes") { 
        eleme2.style.display = "inline-block";
        workoutweek.className += " requiredField";

        }
}

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