422.有效的单词块

/*
 * @lc app=leetcode.cn id=414 lang=typescript
 *
 * [422] 有效的单词块
 */

// @lc code=start
function validWordSquare(words: string[]): boolean {
	let isTrue: boolean = true;
	for (let i = 0; i < words.length; i++) {
		let line = words[i];
		let column = ``;
		words.map(el => {
			column += el[i] ?? "";
		});
		if (line != column) isTrue = false;
	}
	return isTrue;
}

validWordSquare(["abcd", "bnrt", "crm", "dt"]);

// @lc code=end