RxJS every() Conditional OperatorRxJS every() operator is a conditional operator used to return an observable that emits whether every item of the source observable satisfies the condition specified. In other words, we can say that in the RxJS every() operator, if all values pass predicate before completion, it emits true, else false. Syntax:Following is the syntax of the RxJS every() conditional operator: Or Parameter Explanation
Return valueThe RxJS every() operator returns an observable of booleans according to the input function satisfies the condition on each of the value on source observable. Let us see some examples of the RxJS every() operator to understand it clearly. Example 1 (Emit true or false by comparing the values)Output: After executing the above example, you will see the following result: Example 2Output: After executing the above example, you will see the following result: Example 3 (When some values are false)Output: After executing the above example, you will see the following result: Example 4 (When all values are true)Output: After executing the above example, you will see the following result:
Next TopicRxJS Operators
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