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Js contains9/5/2023 The food.rice evaluates to undefined because the food object doesn't contain the rice property.Ä«y using this logic, you can compare the property with the undefined to check if the property exists in an object: food. If the condition is met, the matching element is returned. Convert each array element and the string to lowercase and check for equality. cy.contains('Log In') When chained to an existing series of commands This will query inside of the element. Ignoring Case Check if Array contains String - Array.find () This is a three-step process: Use the Array.find () method to iterate over the array.Try it Syntax toLowerCase() Return value A new string representing the calling string converted to lower case. When starting a series of commands: This queries the entire document for the content. () - JavaScript MDN References () () The toLowerCase () method returns the calling string value converted to lower case. If you try to access a non-existing property from an object, the returned value is undefined: food. .contains () acts differently whether it's starting a series of commands or being chained off an existing series. Let us say you have the following food object: const food = 'toString' in food // true Comparison with undefined let car cars.find (car > car. Find an object in an array by its values - Array.find Let's say we want to find a car that is red. Check whether field exists in the object using Salesforce Apex JavaScript provides many functions that can solve your problem without actually implementing the logic in a general cycle.
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