Fully renamed and updated everything, tagged, built

snippets/isString.md

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+### isString
+
+Checks if the given argument is a string.
+
+Use `typeof` to check if a value is classified as a string primitive.
+
+```js
+const isString = val => typeof val === 'string';
+// isString(10) -> false
+// isString('10') -> true
+```