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blockly >屏蔽 >hasIcon
Block.hasIcon() 方法
Signature:
hasIcon(type: IconType<IIcon>): boolean;
参数
返回:
布尔值
如果块上存在具有指定类型的图标,则返回 true,否则返回 false。
如未另行说明,那么本页面中的内容已根据知识共享署名 4.0 许可获得了许可,并且代码示例已根据 Apache 2.0 许可获得了许可。有关详情,请参阅 Google 开发者网站政策。Java 是 Oracle 和/或其关联公司的注册商标。
最后更新时间 (UTC):2025-07-25。
[[["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):2025-07-25。"],[],["The `Block.hasIcon()` method checks for the existence of a specific icon type on a block. It takes one parameter, `type`, of `IconType\u003cIIcon\u003e`. The method returns a boolean value: `true` if an icon of the specified type is present on the block, and `false` if it is not. It determines whether the block contains an icon with the given icon `type`.\n"]]