Javascript-句子中的反词 [英] Javascript - Reverse words in a sentence

问题描述

请参考- https://jsfiddle.net/jy5p509c/

var a = "who all are coming to the party and merry around in somewhere";

res = ""; resarr = [];

for(i=0 ;i<a.length; i++) {

if(a[i] == " ") {
    res+= resarr.reverse().join("")+" ";
    resarr = [];
}
else {
    resarr.push(a[i]);
}   
}
console.log(res);

最后一个字不会反转，并且不会在最终结果中输出.不知道丢失了什么.

The last word does not reverse and is not outputted in the final result. Not sure what is missing.

推荐答案

问题是您的 if(a [i] ==")条件不满足最后一个单词

It problem is your if(a[i] == " ") condition is not satisfied for the last word

var a = "who all are coming to the party and merry around in somewhere";

res = "";
resarr = [];

for (i = 0; i < a.length; i++) {
  if (a[i] == " " || i == a.length - 1) {
    res += resarr.reverse().join("") + " ";
    resarr = [];
  } else {
    resarr.push(a[i]);
  }
}

document.body.appendChild(document.createTextNode(res))

您也可以尝试较短的

var a = "who all are coming to the party and merry around in florida";

var res = a.split(' ').map(function(text) {
  return text.split('').reverse().join('')
}).join(' ');

document.body.appendChild(document.createTextNode(res))

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