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16 sie 2020 · How do I test a string to see if it contains any of the strings from an array? Instead of using if (string.contains(item1) || string.contains(item2) || string.contains(item3))
25 maj 2016 · You can use some() function: to check if a string contains any element of an array. e.g. var fruitsArr = ['banana', 'monkey banana', 'apple', 'kiwi', 'orange']; var myString = "I have an apple and a watermelon."; var stringIncludesFruit = fruitsArr.some(fruit => myString.includes(fruit)); This function is pretty new.
8 sty 2024 · In this tutorial, we’ll review several ways of checking if a String contains a substring, and we’ll compare the performance of each. 2. String.indexOf. Let’s first try using the String.indexOf method. indexOf gives us the first position where the substring is found, or -1 if it isn’t found at all.
8 lip 2019 · There are two common ways to check if a JavaScript array contains a value: `includes()` and `indexOf()`. This tutorial shows you how to use both, and why you would use one versus the other.
The contains() method checks whether a string contains a sequence of characters. Returns true if the characters exist and false if not.
For primitive values, use the array.includes() method to check if an array contains a value. For objects, use the isEqual() helper function to compare objects and array.some() method to check if the array contains the object.
7 wrz 2024 · 1. Overview. In this article, we’ll look at different ways to search an array for a specified value. We’ll also compare how these perform using JMH (the Java Microbenchmark Harness) to determine which method works best. 2. Setup. For our examples, we’ll use an array that contains randomly generated Strings for each test:
