0 votes
in SoSci Survey (English) by s174885 (145 points)
edited by SoSci Survey

Hi,

I have a question with one correct (always on the right side) and one incorrect (always left) offered answer and need participants decide between them with their estimation of their confidence in the chosen answer. Also, the polarities of the scale are set to change randomly.
I decided to use two-sided slider and implemented the following code, but this code made the slider appear in range from -100 to 0 on the left side, and in range from 0 to 100 on the right side of the slider. Instead of this, I need the range from 100 to 0 on the left, and from 0 to 100 on the right side of the slider.

I hope somebody has a suggestion how to gaint this.

Thank you!

The code I used:

 <script type="text/javascript">
<!--
var formatter = function(value) {
  if (value < 0) return "";
  var text = ((value - 51) / 50 * 100).toFixed(1) + "%";
  if (value > 51) {
    text = text;
  }
  return text;
}
SoSciSliders.setFormat(formatter);
// -->
</script>

1 Answer

0 votes
by SoSci Survey (302k points)

You may either remove the minus ...

var text = ((value - 51) / 50 * 100).toFixed(1) + "%";
text = text.replace(/^-/, "");

Or you could use Math.abs()

var text = Math.abs((value - 51) / 50 * 100).toFixed(1) + "%";

to get rid of the negative values.

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