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add js solution for findLengthOfLCIS

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Original file line number	Diff line number	Diff line change
`@@ -218,6 +218,49 @@ class Solution:`
`218`	`218`
`219`	`219`	`Go：`
`220`	`220`
	`221`	`+Javascript：`
	`222`	`+`
	`223`	`+> 动态规划：`
	`224`	+```javascript
	`225`	`+const findLengthOfLCIS = (nums) => {`
	`226`	`+let dp = Array(nums.length).fill(1);`
	`227`	`+`
	`228`	`+`
	`229`	`+for(let i = 0; i < nums.length - 1; i++) {`
	`230`	`+ if(nums[i+1] > nums[i]) {`
	`231`	`+ dp[i+1] = dp[i]+ 1;`
	`232`	`+ }`
	`233`	`+}`
	`234`	`+`
	`235`	`+return Math.max(...dp);`
	`236`	`+};`
	`237`	+```
	`238`	`+`
	`239`	`+>贪心法：`
	`240`	+```javascript
	`241`	`+constfindLengthOfLCIS= (nums)=> {`
	`242`	`+if(nums.length===1) {`
	`243`	`+return1;`
	`244`	`+ }`
	`245`	`+`
	`246`	`+let maxLen=1;`
	`247`	`+let curMax=1;`
	`248`	`+let cur= nums[0];`
	`249`	`+`
	`250`	`+for(let numof nums) {`
	`251`	`+if(num> cur) {`
	`252`	`+ curMax+=1;`
	`253`	`+ maxLen=Math.max(maxLen, curMax);`
	`254`	`+ }else {`
	`255`	`+ curMax=1;`
	`256`	`+ }`
	`257`	`+ cur= num;`
	`258`	`+ }`
	`259`	`+`
	`260`	`+return maxLen;`
	`261`	`+};`
	`262`	+```
	`263`	`+`
`221`	`264`
`222`	`265`
`223`	`266`

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