blocks|key|97480|text|使用forEach它是一个内置的数组函数。Array.forEach()|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|97481|yourArray.forEach(function+(arrayItem)+{
++++var+x+=+arrayItem.prop1+%2B+2;
++++console.log(x);
});|code-block|syntax|javascript|97482|entityMap|0|LINK|mutability|MUTABLE|url|https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/forEach^0|L|F|L|F|0|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@$9|T|A|U|B|C]]|D|@$9|V|A|W|1|X]]|E|$]]|$1|F|3|G|5|H|7|Y|8|@]|D|@]|E|$I|J]]|$1|K|3|-4|5|6|7|Z|8|@]|D|@]|E|$]]]|L|$M|$5|N|O|P|E|$Q|R]]]]

<p>Use forEach its a built-in array function. <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/forEach" rel="noreferrer"><code>Array.forEach()</code></a>:</p>

<pre><code>yourArray.forEach(function (arrayItem) {
    var x = arrayItem.prop1 + 2;
    console.log(x);
});
</code></pre>


blocks|key|314396|text|for+(var+j+=+0;+j+<+myArray.length;+j%2B%2B){
++console.log(myArray[j].x);
}|type|code-block|depth|inlineStyleRanges|entityRanges|data|syntax|javascript|314397|unstyled|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|G|8|@]|9|@]|A|$B|C]]|$1|D|3|-4|5|E|7|H|8|@]|9|@]|A|$]]]|F|$]]

<pre><code>for (var j = 0; j &lt; myArray.length; j++){
  console.log(myArray[j].x);
}
</code></pre>


blocks|key|97516|text|myArray[j.x]在逻辑上不正确。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|97517|请改用(myArray[j].x);|97518|for+(var+j+=+0;+j+<+myArray.length;+j%2B%2B){
++console.log(myArray[j].x);
}|code-block|syntax|javascript|97519|entityMap^0|0|C|0|3|F|0|0^^$0|@$1|2|3|4|5|6|7|O|8|@$9|P|A|Q|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|R|8|@$9|S|A|T|B|C]]|D|@]|E|$]]|$1|H|3|I|5|J|7|U|8|@]|D|@]|E|$K|L]]|$1|M|3|-4|5|6|7|V|8|@]|D|@]|E|$]]]|N|$]]

<p><code>myArray[j.x]</code> is logically incorrect.</p>

<p>Use <code>(myArray[j].x);</code> instead</p>

<pre><code>for (var j = 0; j &lt; myArray.length; j++){
  console.log(myArray[j].x);
}
</code></pre>


blocks|key|97567|text|从ES5%2B开始，使用forEach方法非常简单。您可以直接更改数组中每个对象的每个属性。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|97568|myArray.forEach(function+(arrayElem){+
++arrayElem+=+newPropertyValue;
});|code-block|syntax|javascript|97569|如果要访问每个对象的特定属性：|97570|myArray.forEach(function+(arrayElem){+
++++++arrayElem.nameOfYourProperty+=+newPropertyValue;
++++});|97571|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|N|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|O|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|P|8|@]|9|@]|A|$E|F]]|$1|K|3|-4|5|6|7|Q|8|@]|9|@]|A|$]]]|L|$]]

<p>It's really simple using the forEach method since ES5+. You can directly change each property of each object in your array.</p>

<pre><code>myArray.forEach(function (arrayElem){ 
  arrayElem = newPropertyValue;
});
</code></pre>

<p>If you want to access a specific property on each object: </p>

<pre><code>myArray.forEach(function (arrayElem){ 
      arrayElem.nameOfYourProperty = newPropertyValue;
    });
</code></pre>


blocks|key|314545|text|您可以使用for..of+loop循环遍历对象数组。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|314546|for+(let+item+of+items)+{
++++console.log(item);+//+Will+display+contents+of+the+object+inside+the+array
}|code-block|syntax|javascript|314547|关于for..of循环最好的事情之一是，它们可以遍历的不仅仅是数组。您可以迭代任何类型的可迭代对象，包括映射和对象。如果您需要支持较旧的浏览器，请确保使用转译器或TypeScript之类的东西。|style|CODE|314548|如果您想在map上迭代，其语法与上面的基本相同，只是它同时处理键和值。|314549|for+(const+[key,+value]+of+items)+{
++console.log(value);
}|314550|我在Javascript中几乎每一种迭代都使用for..of循环。此外，最酷的事情之一是它们也可以使用async/await。|314551|entityMap|0|LINK|mutability|MUTABLE|url|https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Statements/for...of^0|5|C|0|0|0|2|7|0|0|0|N|7|0^^$0|@$1|2|3|4|5|6|7|10|8|@]|9|@$A|11|B|12|1|13]]|C|$]]|$1|D|3|E|5|F|7|14|8|@]|9|@]|C|$G|H]]|$1|I|3|J|5|6|7|15|8|@$A|16|B|17|K|L]]|9|@]|C|$]]|$1|M|3|N|5|6|7|18|8|@]|9|@]|C|$]]|$1|O|3|P|5|F|7|19|8|@]|9|@]|C|$G|H]]|$1|Q|3|R|5|6|7|1A|8|@$A|1B|B|1C|K|L]]|9|@]|C|$]]|$1|S|3|-4|5|6|7|1D|8|@]|9|@]|C|$]]]|T|$U|$5|V|W|X|C|$Y|Z]]]]

<p>You can use a <a href="https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Statements/for...of" rel="noreferrer">for..of loop</a> to loop over an array of objects.</p>

<pre><code>for (let item of items) {
    console.log(item); // Will display contents of the object inside the array
}
</code></pre>

<p>One of the best things about <code>for..of</code> loops is that they can iterate over more than just arrays. You can iterate over any type of iterable, including maps and objects. Make sure you use a transpiler or something like TypeScript if you need to support older browsers.</p>

<p>If you wanted to iterate over a map, the syntax is largely the same as the above, except it handles both the key and value.</p>

<pre><code>for (const [key, value] of items) {
  console.log(value);
}
</code></pre>

<p>I use <code>for..of</code> loops for pretty much every kind of iteration I do in Javascript. Furthermore, one of the coolest things is they also work with async/await as well.</p>


blocks|key|314622|text|这是迭代对象数组的另一种方法(需要在文档中包含jQuery库)。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|314623|$.each(array,+function(element)+{
++//+do+some+operations+with+each+element...+
});|code-block|syntax|javascript|314624|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

<p>Here's another way of iterating through an array of objects (you need to include jQuery library in your document for these).</p>

<pre><code>$.each(array, function(element) {
  // do some operations with each element... 
});
</code></pre>


blocks|key|314679|text|循环遍历对象数组是一个非常基本的功能。这就是对我有效的方法。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|314680|​|314681|var+person+=+[];
person[0]+=+{
++firstName:+"John",
++lastName:+"Doe",
++age:+60
};

var+i,+item;

for+(i+=+0;+i+<+person.length;+i%2B%2B)+{
++for+(item+in+person[i])+{
++++document.write(item+%2B+":+"+%2B+person[i][item]+%2B+"<br>");
++}
}|code-block|syntax|javascript|314682|314683|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|M|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|N|8|@]|9|@]|A|$G|H]]|$1|I|3|C|5|6|7|O|8|@]|9|@]|A|$]]|$1|J|3|-4|5|6|7|P|8|@]|9|@]|A|$]]]|K|$]]

<p>Looping through an array of objects is a pretty fundamental functionality. This is what works for me.</p>

<p><div class="snippet" data-lang="js" data-hide="false" data-console="true" data-babel="false">
<div class="snippet-code">
<pre class="snippet-code-js lang-js prettyprint-override"><code>var person = [];
person[0] = {
  firstName: "John",
  lastName: "Doe",
  age: 60
};

var i, item;

for (i = 0; i &lt; person.length; i++) {
  for (item in person[i]) {
    document.write(item + ": " + person[i][item] + "&lt;br&gt;");
  }
}</code></pre>
</div>
</div>
</p>


blocks|key|314739|text|这里有一个关于如何做到这一点的示例:)|type|unstyled|depth|inlineStyleRanges|entityRanges|data|314740|​|314741|var+students+=+[{
++++name:+"Mike",
++++track:+"track-a",
++++achievements:+23,
++++points:+400,
++},
++{
++++name:+"james",
++++track:+"track-a",
++++achievements:+2,
++++points:+21,
++},
]

students.forEach(myFunction);

function+myFunction(item,+index)+{
++for+(var+key+in+item)+{
++++console.log(item[key])
++}
}|code-block|syntax|javascript|314742|314743|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|M|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|N|8|@]|9|@]|A|$G|H]]|$1|I|3|C|5|6|7|O|8|@]|9|@]|A|$]]|$1|J|3|-4|5|6|7|P|8|@]|9|@]|A|$]]]|K|$]]

<p>Here's an example on how you can do it :)</p>

<p><div class="snippet" data-lang="js" data-hide="false" data-console="true" data-babel="false">
<div class="snippet-code">
<pre class="snippet-code-js lang-js prettyprint-override"><code>var students = [{
    name: "Mike",
    track: "track-a",
    achievements: 23,
    points: 400,
  },
  {
    name: "james",
    track: "track-a",
    achievements: 2,
    points: 21,
  },
]

students.forEach(myFunction);

function myFunction(item, index) {
  for (var key in item) {
    console.log(item[key])
  }
}</code></pre>
</div>
</div>
</p>


blocks|key|314764|text|这将会起作用。循环遍历数组(YourArray)。然后循环遍历每个对象的直接属性(eachObj)。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|314765|yourArray.forEach(+function+(eachObj){
++++for+(var+key+in+eachObj)+{
++++++++if+(eachObj.hasOwnProperty(key)){
+++++++++++console.log(key,eachObj[key]);
++++++++}
++++}
});|code-block|syntax|javascript|314766|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

<p>This would work. Looping thorough array(yourArray) . Then loop through direct properties of each object (eachObj) .   </p>

<pre><code>yourArray.forEach( function (eachObj){
    for (var key in eachObj) {
        if (eachObj.hasOwnProperty(key)){
           console.log(key,eachObj[key]);
        }
    }
});
</code></pre>


blocks|key|314780|text|数组对象迭代，使用jQuery+(使用第二个参数打印字符串)。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|314781|$.each(array,+function(index,+item)+{
+++++++console.log(index,+item);
});|code-block|syntax|javascript|314782|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

<p>Array object iteration, using jQuery,
(use the second parameter to print the string).</p>

<pre><code>$.each(array, function(index, item) {
       console.log(index, item);
});
</code></pre>


blocks|key|314840|text|接受的答案使用普通函数。因此，在forEach上使用箭头函数稍微修改一下就可以发布相同的代码|type|unstyled|depth|inlineStyleRanges|entityRanges|data|314841|++yourArray.forEach(arrayItem+=>+{
++++++var+x+=+arrayItem.prop1+%2B+2;
++++++console.log(x);
++});|code-block|syntax|javascript|314842|此外，在$.each中，您可以使用如下箭头函数|314843|+$.each(array,+(item,+index)+=>+{
+++++++console.log(index,+item);
+});|314844|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|N|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|O|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|P|8|@]|9|@]|A|$E|F]]|$1|K|3|-4|5|6|7|Q|8|@]|9|@]|A|$]]]|L|$]]

<p>Accepted answer uses normal function. So posting the same code with slight modification using arrow function on forEach</p>

<pre><code>  yourArray.forEach(arrayItem =&gt; {
      var x = arrayItem.prop1 + 2;
      console.log(x);
  });
</code></pre>

<p>Also in $.each you can use arrow function like below</p>

<pre><code> $.each(array, (item, index) =&gt; {
       console.log(index, item);
 });
</code></pre>


blocks|key|314881|text|​|type|unstyled|depth|inlineStyleRanges|entityRanges|data|314882|const+jobs+=+[
++++{
++++++++name:+"sipher",
++++++++family:+"sipherplus",
++++++++job:+"Devops"
++++},
++++{
++++++++name:+"john",
++++++++family:+"Doe",
++++++++job:+"Devops"
++++},
++++{
++++++++name:+"jim",
++++++++family:+"smith",
++++++++job:+"Devops"
++++}
];

const+txt+=+
+++`+<ul>
++++++++${jobs.map(job+=>+`<li>${job.name}+${job.family}+->+${job.job}</li>`).join('')}
++++</ul>`
;

document.body.innerHTML+=+txt;|code-block|syntax|javascript|314883|314884|当心反勾号(`)|314885|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|M|8|@]|9|@]|A|$E|F]]|$1|G|3|4|5|6|7|N|8|@]|9|@]|A|$]]|$1|H|3|I|5|6|7|O|8|@]|9|@]|A|$]]|$1|J|3|-4|5|6|7|P|8|@]|9|@]|A|$]]]|K|$]]

<p><div class="snippet" data-lang="js" data-hide="false" data-console="true" data-babel="false">
<div class="snippet-code">
<pre class="snippet-code-js lang-js prettyprint-override"><code>const jobs = [
    {
        name: "sipher",
        family: "sipherplus",
        job: "Devops"
    },
    {
        name: "john",
        family: "Doe",
        job: "Devops"
    },
    {
        name: "jim",
        family: "smith",
        job: "Devops"
    }
];

const txt = 
   ` &lt;ul&gt;
        ${jobs.map(job =&gt; `&lt;li&gt;${job.name} ${job.family} -&gt; ${job.job}&lt;/li&gt;`).join('')}
    &lt;/ul&gt;`
;

document.body.innerHTML = txt;</code></pre>
</div>
</div>
</p>

<p>Be careful about the back Ticks (`)</p>


blocks|key|97969|text|​|type|unstyled|depth|inlineStyleRanges|entityRanges|data|97970|var+c+=+{
++++myProperty:+[
++++++++{+name:+'this'+},
++++++++{+name:+'can'+},
++++++++{+name:+'get'+},
++++++++{+name:+'crazy'+}
++++]
};

c.myProperty.forEach(function(myProperty_element)+{
++++var+x+=+myProperty_element.name;
++++console.log('the+name+of+the+member+is+:+'+%2B+x);
})|code-block|syntax|javascript|97971|97972|这是我能够做到这一点的方法之一。|97973|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|M|8|@]|9|@]|A|$E|F]]|$1|G|3|4|5|6|7|N|8|@]|9|@]|A|$]]|$1|H|3|I|5|6|7|O|8|@]|9|@]|A|$]]|$1|J|3|-4|5|6|7|P|8|@]|9|@]|A|$]]]|K|$]]

<p><div class="snippet" data-lang="js" data-hide="false" data-console="true" data-babel="false">
<div class="snippet-code">
<pre class="snippet-code-js lang-js prettyprint-override"><code>var c = {
    myProperty: [
        { name: 'this' },
        { name: 'can' },
        { name: 'get' },
        { name: 'crazy' }
    ]
};

c.myProperty.forEach(function(myProperty_element) {
    var x = myProperty_element.name;
    console.log('the name of the member is : ' + x);
})</code></pre>
</div>
</div>
</p>

<p>This is one of the ways how I was able to achieve it.</p>


blocks|key|314957|text|这可能会对某些人有帮助。也许是Node中的bug。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|314958|var+arr+=+[+{+name:+'a'+},+{+name:+'b'+},+{+name:+'c'+}+];
var+c+=+0;|code-block|syntax|javascript|314959|这不起作用：|314960|while+(arr[c].name)+{+c%2B%2B;+}+//+TypeError:+Cannot+read+property+'name'+of+undefined|314961|但这行得通..。|314962|while+(arr[c])+{+c%2B%2B;+}+//+Inside+the+loop+arr[c].name+works+as+expected.|314963|这也行得通。|314964|while+((arr[c])+&&+(arr[c].name))+{+c%2B%2B;+}|314965|但简单地颠倒顺序是行不通的。我猜这里有某种内部优化破坏了Node。|314966|while+((arr[c].name)+&&+(arr[c]))+{+c%2B%2B;+}|314967|错误提示数组未定义，但事实并非如此:-/+Node+v11.15.0|314968|entityMap^0|0|0|0|0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|10|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|11|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|12|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|13|8|@]|9|@]|A|$E|F]]|$1|K|3|L|5|6|7|14|8|@]|9|@]|A|$]]|$1|M|3|N|5|D|7|15|8|@]|9|@]|A|$E|F]]|$1|O|3|P|5|6|7|16|8|@]|9|@]|A|$]]|$1|Q|3|R|5|D|7|17|8|@]|9|@]|A|$E|F]]|$1|S|3|T|5|6|7|18|8|@]|9|@]|A|$]]|$1|U|3|V|5|D|7|19|8|@]|9|@]|A|$E|F]]|$1|W|3|X|5|6|7|1A|8|@]|9|@]|A|$]]|$1|Y|3|-4|5|6|7|1B|8|@]|9|@]|A|$]]]|Z|$]]

<p>This might help somebody. Maybe it's a bug in Node.</p>

<pre><code>var arr = [ { name: 'a' }, { name: 'b' }, { name: 'c' } ];
var c = 0;
</code></pre>

<p>This doesn't work: </p>

<pre><code>while (arr[c].name) { c++; } // TypeError: Cannot read property 'name' of undefined
</code></pre>

<p>But this works...</p>

<pre><code>while (arr[c]) { c++; } // Inside the loop arr[c].name works as expected.
</code></pre>

<p>This works too...</p>

<pre><code>while ((arr[c]) &amp;&amp; (arr[c].name)) { c++; }
</code></pre>

<p>BUT simply reversing the order does not work. I'm guessing there's some kind of internal optimization here that breaks Node. </p>

<pre><code>while ((arr[c].name) &amp;&amp; (arr[c])) { c++; }
</code></pre>

<p>Error says the array is undefined, but it's not :-/ Node v11.15.0</p>


blocks|key|314996|text|我知道这很长，但是对于遇到这个问题的其他人来说，我的问题是我循环遍历了一个只包含一个数组的数组。如下所示：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|314997|//+array+snippet+(returned+from+here)
}+else+{
+++callback([results])
}|code-block|syntax|javascript|314998|我使用的数组如下所示|314999|for(const+result+of+results){
+++console.log(result.x)
}|315000|正如您所看到的，我要迭代的数组实际上位于另一个数组中。去掉方括号很有帮助。节点JS和MySQL。|315001|entityMap^0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|O|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|P|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|Q|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|R|8|@]|9|@]|A|$E|F]]|$1|K|3|L|5|6|7|S|8|@]|9|@]|A|$]]|$1|M|3|-4|5|6|7|T|8|@]|9|@]|A|$]]]|N|$]]

<p>I know it's been long but for anyone else encountering this issue, my problem is that I was looping through an array of arrays containing only one array. Like this:</p>
<pre><code>// array snippet (returned from here)
} else {
   callback([results])
}
</code></pre>
<p>And I was using the array like this</p>
<pre><code>for(const result of results){
   console.log(result.x)
}
</code></pre>
<p>As you can see, the array I wanted to iterate over was actually inside another array. removing the square brackets helped. Node JS and MySQL.</p>


blocks|key|315008|text|this.data+=+[{name:"Rajiv",+city:"Deoria"},{name:"Babbi",+city:"Salempr"},{name:"Brijesh",+city:"GKP"}];
for(const+n+of+this.data)+{
++++console.log(n.name)
}|type|code-block|depth|inlineStyleRanges|entityRanges|data|syntax|javascript|315009|unstyled|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|G|8|@]|9|@]|A|$B|C]]|$1|D|3|-4|5|E|7|H|8|@]|9|@]|A|$]]]|F|$]]

<pre><code>this.data = [{name:&quot;Rajiv&quot;, city:&quot;Deoria&quot;},{name:&quot;Babbi&quot;, city:&quot;Salempr&quot;},{name:&quot;Brijesh&quot;, city:&quot;GKP&quot;}];
for(const n of this.data) {
    console.log(n.name)
}
</code></pre>


<p>I want to cycle through the objects contained in an array and change the properties of each one. If I do this:</p>

<pre><code>for (var j = 0; j &lt; myArray.length; j++){

console.log(myArray[j]);

}
</code></pre>

<p>The console should bring up every object in the array, right? But in fact it only displays the first object. if I console log the array outside of the loop, all the objects appear so there's definitely more in there.</p>

<p>Anyway, here's the next problem. How do I access, for example Object1.x in the array, using the loop?</p>

<pre><code>for (var j = 0; j &lt; myArray.length; j++){

console.log(myArray[j.x]);

}
</code></pre>

<p>This returns "undefined." Again the console log outside the loop tells me that the objects all have values for "x". How do I access these properties in the loop?</p>

<p>I was recommended elsewhere to use separate arrays for each of the properties, but I want to make sure I've exhausted this avenue first.</p>

<p>Thank you!</p>


How to loop through an array containing objects and access their properties

我想遍历数组中包含的对象，并更改每个对象的属性。如果我这样做：for (var j = 0; j < myArray.length; j++){console.log(myArray[j]);}控制台应该会调出数组中的每个对象，对吗？但实际上它只显示第一个对象。如果我通过控制台将数组记录在循环之外，所有的对象都会出现，...

问如何遍历包含对象的数组并访问其属性
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