![]() Var numberRandom = Math.floor(Math. So here is the example code that uses the includes method of js: ![]() Otherwise we display the message with a simple alert. Next we generate a random number using the Math.floor and Math.random functions.Īfter using a simple conditional statement with the logical operator not we check if the number is not present and in this way we insert it into our array. So first let’s create an array of integers of your choice. If the number is not present in the array we insert it, otherwise we return the message “number already present”. After generating a random number between 1 and 100. JavaScript array includes – second exampleĬreate an array of integers of your choice. The value of the result variable will be false. This is an inbuilt function that helps in. Var result = schoolObject.includes('Sharpener') The JavaScript array includes() function helps us in getting if the array contains any specified element or not. ![]() If, on the other hand, we are looking for a value that is not present: In this case, if we try to make the result console.log we will have the boolean value true in return. The following illustrates the syntax of the includes(). Var result = schoolObject.includes('eraser') The includes() method returns true if an array contains a given element Otherwise, it returns false. ![]()
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