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Create 1323-maximum-69-number.js

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	`1`	`+/**`
	`2`	`+ *@param {number} num`
	`3`	`+ *@return {number}`
	`4`	`+ */`
	`5`	`+varmaximum69Number=function(num){`
	`6`	`+letmaxArr=[num];// initialize array maxArr with num as value`
	`7`	`+`
	`8`	`+letnumArr=num.toString().split('');// initialize numArr as array of num`
	`9`	`+`
	`10`	`+for(leti=0;i<numArr.length;i++){// loop through the every element of array numArr`
	`11`	`+`
	`12`	`+if(numArr[i]==6){// if current element of numArr is 6`
	`13`	`+letarr=[...numArr]// copy numArr into arr`
	`14`	`+arr.splice(i,1,9);// make current element arr to 9`
	`15`	`+maxArr.push(arr.join(''));// convert arr to string and push into maxArr and break the loop`
	`16`	`+break;`
	`17`	`+}`
	`18`	`+}`
	`19`	`+`
	`20`	`+returnMath.max(...maxArr);// return max value from maxArr`
	`21`	`+};`

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