# Perspective XY Chart causes javascript endless allocation, race condition? **URL:** \ **Category:** Ignition Early Access\ **Created:** [March 30, 2019, 9:45pm UTC](https://forum.inductiveautomation.com/t/perspective-xy-chart-causes-javascript-endless-allocation-race-condition/23730 "2019-03-30T21:45:55Z")\ **Posts on this page:** 1\ **Showing post:** 9
**Author:** ![nader.chinichian](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/nader.chinichian/32/9261_2.png) [@nader.chinichian](https://forum.inductiveautomation.com/u/nader.chinichian)\ **Post date:** [July 16, 2025, 4:44pm UTC](https://forum.inductiveautomation.com/t/perspective-xy-chart-causes-javascript-endless-allocation-race-condition/23730/9 "2025-07-16T16:44:21Z")
Check this out. May be this help. I inject up to 100000 point without any lag or problem. > [@vCortex (i4Cortex Visualization Component Pack)](https://forum.inductiveautomation.com/t/vcortex-i4cortex-visualization-component-pack/100186/30): > > Here is a good example of using JavaScript in rentemItem to create complex charting system. This is Time-Correlated Events and Metrics chart which is synchronized the Gantt charts with the line chart in x-axis and all zoom and pan action will effect on both of them. I use rentemItem to create gantt data graphical element. You can find this example in demo project. --- _[View the full topic](https://forum.inductiveautomation.com/t/perspective-xy-chart-causes-javascript-endless-allocation-race-condition/23730)._