.ES6 (2015) ﻭ ES5 (2009) :ﺪﻧﺍ ﻩﺪﺷ ﯼﺭﺍﺬﮕﻣﺎﻧ ﺩﺍﺪﻋﺍ ﺎﺑ JS ﯽﻤﯾﺪﻗ ﯼﺎﻫ ﻪﺨﺴﻧ
... ،ECMAScript 2016، 2017، 2018، 2019 :ﺪﻧﻮﺷ ﯽﻣ ﯼﺭﺍﺬﮕﻣﺎﻧ ﻝﺎﺳ ﺱﺎﺳﺍ ﺮﺑ ﺎﻫ ﻪﺨﺴﻧ ،2016 ﻝﺎ
:ﺪﻨﮐ ﯽﻣ ﯽﻓﺮﻌﻣ ﺍﺭ ECMAScript 2016 ﺪﯾﺪﺟ ﯼﺎﻫ ﯽﮔﮋﯾﻭ ﻞﺼﻓ ﻦﯾﺍ
(**) ﺖﭙﯾﺮﮑﺳﺍ ﺍﻭﺎﺟ ﺖﯿﻠﺑﺎﻗ
(=**) ﺖﭙﯾﺮﮑﺳﺍ ﺍﻭﺎﺟ ﺕﺭﺪﻗ ﺺﯿﺼﺨﺗ
ﺖﺳﺍ ()ﻞﻣﺎﺷ
ﺖﭙﯾﺮﮑﺳﺍ ﺍﻭﺎﺟ ﻪﯾﺍﺭﺁ
.ﺪﻫﺩ ﯽﻣ ﺶﯾﺍﺰﻓﺍ ﻡﻭﺩ ﺪﻧﻮﻠﻤﻋ ﻥﺍﻮﺗ ﻪﺑ ﺍﺭ ﻝﻭﺍ ﺪﻧﻮﻠﻤﻋ b> ( → ﺪﯿﻨﮐ ﻥﺎﺤﺘﻣﺍ ﺍﺭ ﻥﺁ ﻥﺎﺗﺩﻮﺧ → ﺪﯿﻨﮐ ﻥﺎﺤﺘﻣﺍ ﺍﺭ ﻥﺁ ﻥﺎﺗﺩﻮﺧ**
ﻝﺎﺜﻣ
let x = 5;
let z = x ** 2;
<!DOCTYPE html>
<html>
<body>
<h2>The ** Operator</h2>
<p id="demo"></p>
<script>
let x = 5;
let z = x ** 2;
document.getElementById("demo").innerHTML = z;
</script>
</body>
</html>
x ** y
ﻪﮐ ﺪﻨﮐ ﯽﻣ ﺩﺎﺠﯾﺍ ﺍﺭ ﻪﺠﯿﺘﻧ ﻥﺎﻤﻫ ﻝﺎﺜﻣ
let x = 5;
let z = Math.pow(x,2);
<!DOCTYPE html>
<html>
<body>
<h2>Math.pow()</h2>
<p id="demo"></p>
<script>
let x = 5;
let z = Math.pow(x, 2)
document.getElementById("demo").innerHTML = z;
</script>
</body>
</html>
let x = 5;
x **= 2;
→ ﺪﯿﻨﮐ ﻥﺎﺤﺘﻣﺍ ﺍﺭ ﻥﺁ ﻥﺎﺗﺩﻮﺧ
<!DOCTYPE html>
<html>
<body>
<h2>Exponentiation Assignment (**=)</h2>
<p id="demo"></p>
<script>
let x = 5;
x **= 2;
document.getElementById("demo").innerHTML = x;
</script>
</body>
</html>
Operator Exponentiation ﺩﻮﺷ ﯽﻣ ﯽﻧﺎﺒﯿﺘﺸﭘ ﻥﺭﺪﻣ ﯼﺎﻫﺮﮔﺭﻭﺮﻣ ﻪﻤﻫ ﺭﺩ 2017 ﺱﺭﺎﻣ ﺯﺍ:
Chrome 52 | Edge 14 | Firefox 52 | Safari 10.1 | Opera 39 |
Jul 2016 | Aug 2016 | Mar 2017 | Mar 2017 | Aug 2016 |
ECMAScript 2016 Array.includes
ﺩﺮﮐ ﯽﻓﺮﻌﻣ ﺎﻫ ﻪﯾﺍﺭﺁ ﻪﺑ
:ﺮﯿﺧ ﺎﯾ ﺩﺭﺍﺩ ﺩﻮﺟﻭ ﻪﯾﺍﺭﺁ ﮏﯾ ﺭﺩ ﺮﺼﻨﻋ ﮏﯾ ﺎﯾﺁ ﻪﮐ ﻢﯿﻨﮐ ﯽﺳﺭﺮﺑ ﺪﻫﺩ ﯽﻣ ﻥﺎﮑﻣﺍ ﺎﻣ ﻪﺑ ﻦﯾﺍ
const fruits = ["Banana", "Orange", "Apple", "Mango"];
fruits.includes("Mango");
→ ﺪﯿﻨﮐ ﻥﺎﺤﺘﻣﺍ ﺍﺭ ﻥﺁ ﻥﺎﺗﺩﻮﺧ
<!DOCTYPE html>
<html>
<body>
<h1>JavaScript Arrays</h1>
<h2>The includes() Method</h2>
<p>Check if the fruit array contains "Mango":</p>
<p id="demo"></p>
<p><strong>Note:</strong> The includes method is not supported in Edge 13 (and earlier versions).</p>
<script>
const fruits = ["Banana", "Orange", "Apple", "Mango"];
document.getElementById("demo").innerHTML = fruits.includes("Mango");
</script>
</body>
</html>
Array.includes
ﯽﻣ ﯽﻧﺎﺒﯿﺘﺸﭘ ﻥﺭﺪﻣ ﯼﺎﻫﺮﮔﺭﻭﺮﻣ ﻪﻤﻫ ﺭﺩ 201
Chrome 47 | Edge 14 | Firefox 43 | Safari 9 | Opera 34 |
Dec 2015 | Aug 2016 | Dec 2015 | Oct 2015 | Dec 2015 |