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Frameworks & web · #chartjs
Learn how to implement smooth, real-time data updates in Chart.js using array mutation and the update() method to avoid UI flicker and memory leaks.
A technical guide on choosing between responsive and fixed canvas dimensions in Chart.js, covering aspect ratio trade-offs and implementation patterns.
Stop browser lag in Chart.js when rendering thousands of points. Learn how to implement the Decimation plugin using LTTB and Min-Max algorithms to optimize GPU performance.
Learn how to use the Chart.js update() method to implement real-time data streams and sliding windows without the flicker or memory leaks caused by canvas re-initialization.
When integrating Chart.js with the 'responsive' option set to true, the library relies on the parent container's dimensions to calculate the canvas size. A common conflict occurs when the parent element uses CSS Grid or absolute positioning without a defined height, leading to the chart rendering at 0px height or triggering an infinite resize loop. The inter
Chart.js utilizes a reference-based system to manage datasets, where modifications to the data array are committed to the HTML5 Canvas via the update() method. To optimize performance, the library employs a requestAnimationFrame loop to batch these changes before the next render cycle. A design uncertainty arises when the update() method is invoked while a p
When working with Chart.js line charts that animate large datasets, the library clears and redraws the entire canvas on every animation frame, which can become a performance bottleneck as the number of points grows. This behavior persists in Chart.js 3 and later, even though the animation loop uses requestAnimationFrame, and the observed impact varies with c
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