blockly >实用程序 >dom >startTextWidthCache
utils.dom.startTextWidthCache() 函数
开始缓存文本宽度。每次调用此函数时还必须调用 stopTextWidthCache。在执行线程之间，缓存不得继续存在。
Signature:
export declare function startTextWidthCache(): void;
返回：
void
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最后更新时间 (UTC)：2024-08-22。
[[["易于理解","easyToUnderstand","thumb-up"],["解决了我的问题","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["没有我需要的信息","missingTheInformationINeed","thumb-down"],["太复杂/步骤太多","tooComplicatedTooManySteps","thumb-down"],["内容需要更新","outOfDate","thumb-down"],["翻译问题","translationIssue","thumb-down"],["示例/代码问题","samplesCodeIssue","thumb-down"],["其他","otherDown","thumb-down"]],["最后更新时间 (UTC)：2024-08-22。"],[[["Initializes a cache for measuring text widths, improving performance for frequent text measurements."],["This function must be paired with `stopTextWidthCache()` to properly manage the cache and prevent memory leaks."],["Text width caches should not persist across different execution threads to avoid data inconsistencies."],["The function primarily serves as an internal optimization for Blockly and does not typically require direct user interaction."]]],["The `startTextWidthCache()` function initiates the caching of text widths. It's crucial that each invocation of this function is paired with a subsequent call to `stopTextWidthCache()`. The caching mechanism is designed for temporary use within a single execution thread and should not persist across different threads. This function does not return any value.\n"]]