[JavaScript] 第1402天 请使用js写一个单词折行算法

const wordWrap = (str, maxWidth) => {
    let lines = str.trim().split(" "),
        words = [],
        lineLength = 0;

    lines.forEach((line) => {
        // Add the word to the current line
        let wordLength = line.length;

        // If the total line length is larger than the max width
        if (lineLength + wordLength > maxWidth) {
            // Start the new line
            lineLength = wordLength;
            words.push(line);
        }
        else {
            // Add the word to the current line
            lineLength += wordLength + 1;
            words[words.length - 1] += " " + line;
        }
    });

    return words.join("\n");
}

使用方式：

let str = "The quick brown fox jumps over the lazy dog";
let wrappedStr = wordWrap(str, 15);
console.log(wrappedStr);

输出：

The quick
brown fox
jumps over
the lazy
dog

更多题目：

github.com/haizlin/fe-…