## ExpressionEvaluator **Kind**: global class * [ExpressionEvaluator](#ExpressionEvaluator) * [new ExpressionEvaluator(nodeCompat)](#new_ExpressionEvaluator_new) * [.evaluate(expression)](#ExpressionEvaluator+evaluate) ⇒ boolean * * * ### new ExpressionEvaluator(nodeCompat) Construct a new evaluator. The caller must pass in an already-initialized NodeCompat instance so that we can use it for testing right away. | Param | Type | Description | | --- | --- | --- | | nodeCompat | NodeCompat | the node compatibility checking object | * * * ### expressionEvaluator.evaluate(expression) ⇒ boolean Parse the expression and evaluate it. Return the results of the evaluation. **Kind**: instance method of [ExpressionEvaluator](#ExpressionEvaluator) **Returns**: boolean - the value of the expression | Param | Type | Description | | --- | --- | --- | | expression | String | the expression to parse | * * *