[[["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):2025-06-24。"],[[["This guide explains how to add a countdown timer to an HTML5 IMA SDK implementation for video ads."],["The recommended approach is to use the built-in HTML5 IMA SDK countdown timer; however, this guide provides custom implementation steps if needed."],["The custom implementation involves polling the `remainingTime` property of the `AdsManager` and updating the UI accordingly."],["A working implementation example is provided via a CodePen link for reference and testing."]]],[]]