JS 100제 문제 59 빈칸채우기

<풀이 코드>

	var limit = 50;
	var sen = prompt();
	var arr = '';
	
	if(sen.length<limit){
		var left = Math.floor((limit-sen.length)/2);
		var right = limit-left-sen.length;
		
		for(var i=0;i<left;i++){
			arr += "=";
		}
		arr += sen;
		for(var j = 0;j<right;j++){
			arr += "=";
		}
		console.log(arr +"  "+ arr.length);
	}else{
		console.log(`limit length is 50, current length is ${sen.length}`);
	}