An object reference check is fast - much faster than a deep check for differences - so Angular can quickly determine if it can skip both the pipe execution and a view update.
对象引用的检查是非常快的(比递归的深检查要快得多)，所以angular可以快速的决定是否应该跳过管道执行和视图更新。
An object reference check is fast - much faster than a deep check for differences - so Angular can quickly determine if it can skip both the pipe execution and a view update.
对象引用的检查是非常快的(比递归的深检查要快得多)，所以angular可以快速的决定是否应该跳过管道执行和视图更新。
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