learntimes commented on issue #18199:
URL: https://github.com/apache/echarts/issues/18199#issuecomment-2065613418
// Temporarily override getContext method to set willReadFrequently
// Use this method with caution to ensure it does not interfere with other
parts of your application.
const originalGetContext = HTMLCanvasElement.prototype.getContext
HTMLCanvasElement.prototype.getContext = function (type, attributes) {
if (type === '2d') {
attributes = { ...attributes, willReadFrequently: true }
}
return originalGetContext.call(this, type, attributes)
}
mChart = echarts.init(target.value)
// Restore the getContext method after initialization to avoid affecting
other canvas elements on the page.
// Use setTimeout to ensure that ECharts initialization has completed
setTimeout(() => {
HTMLCanvasElement.prototype.getContext = originalGetContext
}, 1000) // Restore after a delay of 1000 milliseconds, adjust based on
actual situation
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