Question

var movies = [
    {
        title: "Silence of the Lambs",
        rating: "5 stars",
        hasWatched: true
    },

    {
        title: "Frozen",
        rating: "4 stars",
        hasWatched: false

    },

    {
        title: "Inception",
        rating: "1 stars",
        hasWatched: true
    }
]

for (i=0; i<movies.length; i++){
    var result = "You have "
    if (movies[i].hasWatched=true) {
        result += "seen ";
    } else {
        result += "not seen ";
    }

    console.log(result + movies[i].title + " - " + movies[i].rating)
}

我试图打印＆＃34;你已经看过这部电影等了。＆＃34;如果hasWatched = true和＆＃34;你还没有看过这部电影等等。＆＃34;如果hasWatched = false。问题是，在这个版本中它总是打印＆＃34;看到＆＃34;，即使对于＆＃34; Frozen＆＃34;。我试着把电影[i] .hasWatched = false＆＃34;在if语句中，在这种情况下，它总是打印出来没见过。可能是什么问题？

编辑：谢谢大家，这是一个非常愚蠢的错误。大家好。

Answer 1

请更新您的代码

var result = "You have ";
for (i=0; i<movies.length; i++){
    if (movies[i].hasWatched == true) {  // OR if (movies[i].hasWatched) {
        result += "seen ";
    } else {
        result += "not seen ";
    }

    console.log(result + movies[i].title + " - " + movies[i].rating)
}

Answer 2

试试这个

for (i=0; i<movies.length; i++){
  var result = "You have ";
  if (movies[i].hasWatched==true) { 
    result += "seen "; 
  } else { 
    result += "not seen ";
  }
  console.log(result + movies[i].title + " - " + movies[i].rating) 
}

在条件

中使用==

无法生成与对象相关的正确if语句

2 个答案: