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Sep 3, 2017
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updated article.md #158

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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 @@ -236,7 +236,7 @@ alert( str.indexOf("id") ); // 1, "id" is found at the position 1 (..idget with

The optional second parameter allows to search starting from the given position.

For instance, the first occurence of `"id"` is at the position `1`. To look for the next occurence, let's start the search from the position `2`:
For instance, the first occurrence of `"id"` is at the position `1`. To look for the next occurrence, let's start the search from the position `2`:

```js run
let str = 'Widget with id';
Expand All @@ -245,7 +245,7 @@ alert( str.indexOf('id', 2) ) // 12
```


If we're interested in all occurences, we can run `indexOf` in a loop. Every new call is made with the position after the previous match:
If we're interested in all occurrences, we can run `indexOf` in a loop. Every new call is made with the position after the previous match:


```js run
Expand Down Expand Up @@ -295,7 +295,7 @@ if (str.indexOf("Widget")) {

The `alert` in the example above doesn't show, because `str.indexOf("Widget")` returns `0` (meaning that it found the match at the starting position). Right, but `if` considers that to be `false`.

So, we should actualy check for `-1`, like that:
So, we should actually check for `-1`, like that:

```js run
let str = "Widget with id";
Expand Down