"자바스크립트 delete 연산자"의 두 판 사이의 차이

2020년 11월 2일 (월) 02:54 기준 최신판

var fruits = {a:'apple',b:'banana',c:'cranberry'};
delete fruits.b;
console.log( fruits );
// {a: "apple", c: "cranberry"}

var fruits = {a:'apple',b:'banana',c:'cranberry'};
delete fruits['b'];
console.log( fruits );
// {a: "apple", c: "cranberry"}

var fruits = ['apple','banana','cranberry'];
delete fruits[1];
console.log(fruits);
// ["apple", empty, "cranberry"]

var fruits = ['apple','banana','cranberry'];
fruits.splice(1,1);
console.log(fruits);
// ["apple", "cranberry"]

@@ 3번째 줄: / 3번째 줄: @@
 ;자바스크립트 delete 연산자
-<source lang='JavaScript'>
+<syntaxhighlight lang='JavaScript'>
 var fruits = {a:'apple',b:'banana',c:'cranberry'};
 delete fruits.b;
 console.log( fruits );
 // {a: "apple", c: "cranberry"}
-</source>
+</syntaxhighlight>
-<source lang='JavaScript'>
+<syntaxhighlight lang='JavaScript'>
 var fruits = {a:'apple',b:'banana',c:'cranberry'};
 delete fruits['b'];
 console.log( fruits );
 // {a: "apple", c: "cranberry"}
-</source>
+</syntaxhighlight>
-<source lang='console'>
+<syntaxhighlight lang='JavaScript'>
-var nums = [101,102,103];
+var fruits = ['apple','banana','cranberry'];
-delete nums[1];
+delete fruits[1];
-console.log(nums);
+console.log(fruits);
-// [101, empty, 103]
+// ["apple", empty, "cranberry"]
-</source>
+</syntaxhighlight>
+<syntaxhighlight lang='JavaScript'>
+var fruits = ['apple','banana','cranberry'];
+fruits.splice(1,1);
+console.log(fruits);
+// ["apple", "cranberry"]
+</syntaxhighlight>
 ==같이 보기==
+* [[자바스크립트 splice()]]
 * [[자바스크립트 연산자]]
 * [[자바스크립트 단항연산자]]