16 lines
316 B
Markdown
16 lines
316 B
Markdown
### isLowerCase
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Checks if a string is lower case.
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Convert the given string to lower case, using `String.toLowerCase()` and compare it to the original.
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``` js
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const isLowerCase = str => str === str.toLowerCase();
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```
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```js
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isLowerCase('abc'); // true
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isLowerCase('a3@$'); // true
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isLowerCase('Ab4'); // false
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```
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