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Fixed syntax typo in slice, substring, substr #3445

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Fixed syntax typo in slice, substring, substr #3445

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6 changes: 3 additions & 3 deletions 1-js/05-data-types/03-string/article.md
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Expand Up @@ -328,7 +328,7 @@ alert( "Wid*!*get*/!*".endsWith("get") ); // true, "Widget" ends with "get"

There are 3 methods in JavaScript to get a substring: `substring`, `substr` and `slice`.

`str.slice(start [, end])`
`str.slice(start, end)`
: Returns the part of the string from `start` to (but not including) `end`.

For instance:
Expand All @@ -355,7 +355,7 @@ There are 3 methods in JavaScript to get a substring: `substring`, `substr` and
alert( str.slice(-4, -1) ); // 'gif'
```

`str.substring(start [, end])`
`str.substring(start, end)`
: Returns the part of the string *between* `start` and `end` (not including `end`).

This is almost the same as `slice`, but it allows `start` to be greater than `end` (in this case it simply swaps `start` and `end` values).
Expand All @@ -377,7 +377,7 @@ There are 3 methods in JavaScript to get a substring: `substring`, `substr` and

Negative arguments are (unlike slice) not supported, they are treated as `0`.

`str.substr(start [, length])`
`str.substr(start, length)`
: Returns the part of the string from `start`, with the given `length`.

In contrast with the previous methods, this one allows us to specify the `length` instead of the ending position:
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