選擇陣列中物件的所有值。例如,
tutorials = [{title:a, movie:a}, {title:b, movie:b}, {title:c, movie:c}] => a b c.
我想找到所有物件的標題的值。
Tutorials[number].title嘗試過,但無法獲取所有物件的title值。
uj5u.com熱心網友回復:
您可以使用for 回圈,這里是示例:
let tutorials = [
{
title:'a', movie:'a'
},
{
title:'b', movie:'b'
},
{
title:'c', movie:'c'
}
]
for(let i = 0; i < tutorials.length; i ) {
console.log(tutorials[i].title);
}
uj5u.com熱心網友回復:
const titles = tutorials.map(t => t.title)
將在一行中完成作業
uj5u.com熱心網友回復:
Zohrab 的回答是正確的。我只是展示另一種方式:
let tutorials = [
{
title:'a', movie:'a'
},
{
title:'b', movie:'b'
},
{
title:'c', movie:'c'
}
]
const titles = [];
for (tutorial of tutorials) {
titles.push(tutorial.title)
}
轉載請註明出處,本文鏈接:https://www.uj5u.com/shujuku/537310.html
下一篇:在具有多個值的物件的子陣列中搜索
