Commit be7108e

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Update 27. Remove Element.js

add explanation to problem 27

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Lines changed: 6 additions & 1 deletion

Original file line number	Diff line number	Diff line change
`@@ -1,10 +1,15 @@`
`1`	`1`	`var removeElement = function(nums, val) {`
	`2`	`+ // we have to return number of elements not equal to val in nums`
	`3`	`+ // while removing all occurenece of val in place`
`2`	`4`	`let k = 0`
	`5`	`+ // run a for loop over nums`
`3`	`6`	`for(let i = 0; i < nums.length ;i++){`
	`7`	`+ // when nums[i] is not equal to val assign nums[k] with nums[i]`
	`8`	`+ // k is position(and counter) for value which are not equal to k`
`4`	`9`	`if(!(nums[i] == val)){`
`5`	`10`	`nums[k] = nums[i]`
`6`	`11`	`k++`
`7`	`12`	`}`
`8`	`13`	`}`
`9`	`14`	`return k`
`10`		`-};`
	`15`	`+};`

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