Travis build: 727 [ci skip]

This commit is contained in:
Travis CI
2017-12-31 13:06:22 +00:00
parent e5013c22b3
commit 5a4905925a
5 changed files with 96 additions and 12 deletions

View File

@ -6,18 +6,17 @@ Use `Array.from()` and a `try... catch` block to check if the provided argument
```js
const isArrayLike = arr => {
try{
try {
Array.from(arr);
return true;
}
catch(e){
} catch (e) {
return false;
}
}
};
```
```js
isArrayLike(document.querySelector('.className')) // true
isArrayLike('abc') // true
isArrayLike(null) // false
isArrayLike(document.querySelector('.className')); // true
isArrayLike('abc'); // true
isArrayLike(null); // false
```