<script
src="https://code.jquery.com/jquery-3.5.1.min.js"
integrity="sha256-9/aliU8dGd2tb6OSsuzixeV4y/faTqgFtohetphbbj0="
crossorigin="anonymous"></script>
let x = "abc";
return (typeof x == 'string') || (x instanceof String)
return Object.prototype.toString.call(x) === "[object String]"
return _.isString(x);
return $.type(x) === "string";
return x?.constructor === String;
return x?.charAt != null
return String(x) === x
return x === x + ''
return typeof x == 'string'
return x === x?.toString()
return x && typeof x.valueOf() === "string"
return x instanceof String