Check if a string contains a substring using indexOf() in JavaScript
How to check in JavaScript if a string contains a substring?
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Datacode - JavaScript String includes() Method The includes() method determines whether a string contains the characters of a specified string. This method returns true if the string contains the characters, and false
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How To Check If A String Contains A Substring In JavaScript
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Check if a string contains a substring in JavaScript
JavaScript Check if String Contains Another String string.includes()
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How to check if a string contains another string in JavaScript
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