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Merge pull request #3715 from shallow-beach/master

Update article.md

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Original file line number	Diff line number	Diff line change
`@@ -137,7 +137,7 @@ There are several built-in functions for rounding:`
`137`	`137`	: Rounds up: `3.1` becomes `4`, and `-1.1` becomes `-1`.
`138`	`138`
`139`	`139`	`Math.round`
`140`		-: Rounds to the nearest integer: `3.1` becomes `3`, `3.6` becomes `4`, the middle case: `3.5` rounds up to `4` too.
	`140`	+: Rounds to the nearest integer: `3.1` becomes `3`, `3.6` becomes `4`. Inthe middle cases `3.5` rounds up to `4`, and `-3.5` rounds up to `-3`.
`141`	`141`
`142`	`142`	`Math.trunc` (not supported by Internet Explorer)
`143`	`143`	: Removes anything after the decimal point without rounding: `3.1` becomes `3`, `-1.1` becomes `-1`.
`@@ -147,8 +147,10 @@ Here's the table to summarize the differences between them:`
`147`	`147`	\| \| `Math.floor` \| `Math.ceil` \| `Math.round` \| `Math.trunc` \|
`148`	`148`	`\|---\|---------\|--------\|---------\|---------\|`
`149`	`149`	\|`3.1`\| `3` \| `4` \| `3` \| `3` \|
	`150`	+\|`3.5`\| `3` \| `4` \| `4` \| `3` \|
`150`	`151`	\|`3.6`\| `3` \| `4` \| `4` \| `3` \|
`151`	`152`	\|`-1.1`\| `-2` \| `-1` \| `-1` \| `-1` \|
	`153`	+\|`-1.5`\| `-2` \| `-1` \| `-1` \| `-1` \|
`152`	`154`	\|`-1.6`\| `-2` \| `-1` \| `-2` \| `-1` \|
`153`	`155`
`154`	`156`

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