# Changing values for slider ticks and labels in loop

**URL:** <https://discourse.psychopy.org/t/changing-values-for-slider-ticks-and-labels-in-loop/8267>\
**Category:** Builder\
**Created:** [June 27, 2019, 2:25pm UTC](https://discourse.psychopy.org/t/changing-values-for-slider-ticks-and-labels-in-loop/8267 "2019-06-27T14:25:38Z")\
**Posts on this page:** 1\
**Showing post:** 4

<div class="post-metadata">

**Author:** ![dvbridges](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.psychopy.org/dvbridges/32/1918_2.png) [@dvbridges](https://discourse.psychopy.org/u/dvbridges)\
**Post date:** [July 1, 2019, 2:28pm UTC](https://discourse.psychopy.org/t/changing-values-for-slider-ticks-and-labels-in-loop/8267/4 "2019-07-01T14:28:24Z")

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Yes, you can create a counter and change the iteration when the counter reaches 5 (or 4 for zero-indexed number):

```javascript
// Begin Experiment
counter = 0;

// Begin routine
if (counter === 4) {
  slider.labels = ["True", "False"]; 
  counter = 0; // reset slider counter
} else {
  slider.labels = ["agree", "disagree"]; 
}

counter = counter + 1;
slider._needVertexUpdate = true;
slider._buildSlider();

```

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