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authort7yang <t7yang@gmail.com>2022-01-10 08:38:05 +0800
committerIrvin <irvinfly@gmail.com>2022-02-16 02:35:54 +0800
commit6ca84f1794af830ada9736d7289ce29aabb04ca3 (patch)
treebb8000558a4eb75d7be1f3543d66bfc4c44bada9 /files/zh-tw/web/javascript/reference/functions/default_parameters/index.html
parent8d1313c84cc82d81363ed62b75baedb9a65ff2e3 (diff)
downloadtranslated-content-6ca84f1794af830ada9736d7289ce29aabb04ca3.tar.gz
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remove `notranslate` class in zh-TW
Diffstat (limited to 'files/zh-tw/web/javascript/reference/functions/default_parameters/index.html')
-rw-r--r--files/zh-tw/web/javascript/reference/functions/default_parameters/index.html22
1 files changed, 11 insertions, 11 deletions
diff --git a/files/zh-tw/web/javascript/reference/functions/default_parameters/index.html b/files/zh-tw/web/javascript/reference/functions/default_parameters/index.html
index 6faacba9a3..e7a796f4d1 100644
--- a/files/zh-tw/web/javascript/reference/functions/default_parameters/index.html
+++ b/files/zh-tw/web/javascript/reference/functions/default_parameters/index.html
@@ -9,7 +9,7 @@ translation_of: Web/JavaScript/Reference/Functions/Default_parameters
<h2 id="語法">語法</h2>
-<pre class="syntaxbox notranslate">function [<em>name</em>]([<em>param1</em>[ = defaultValue1 ][, ..., <em>paramN</em>[ = defaultValueN ]]]) {
+<pre class="syntaxbox">function [<em>name</em>]([<em>param1</em>[ = defaultValue1 ][, ..., <em>paramN</em>[ = defaultValueN ]]]) {
<em>要執行的程序</em>
}
</pre>
@@ -20,7 +20,7 @@ translation_of: Web/JavaScript/Reference/Functions/Default_parameters
<p>以往設定預設值有個普遍方法:在函式的內容裡檢查傳入參數是否為 <code>undefined ,如果是的話,爲他指定一個值。如下列範例,若函式被呼叫時,並沒有提供 b 的值,它的值就會是 undefined,在計算 a*b 時,以及呼叫 multiply 時,就會回傳 NaN。然而這在範例的第二行被阻止了:</code>:</p>
-<pre class="brush: js notranslate">function multiply(a, b) {
+<pre class="brush: js">function multiply(a, b) {
b = (typeof b !== 'undefined') ? b : 1;
return a * b;
}
@@ -32,7 +32,7 @@ multiply(5); // 5
<p>有了 ES2015 的預設參數,再也不用於函式進行檢查了,現在只要簡單的在函式的起始處為 b 指定 1 的值:</p>
-<pre class="brush: js notranslate">function multiply(a, b = 1) {
+<pre class="brush: js">function multiply(a, b = 1) {
return a * b;
}
@@ -47,7 +47,7 @@ multiply(5); // 5
<p>這邊第二段函式呼叫中,僅管第二個傳入參數在呼叫時明確地指定為undefined(雖不是null),其顏色參數的值是預設值(rosybrown)。</p>
-<pre class="brush: js notranslate">function setBackgroundColor(element, color = 'rosybrown') {
+<pre class="brush: js">function setBackgroundColor(element, color = 'rosybrown') {
element.style.backgroundColor = color;
}
@@ -60,7 +60,7 @@ setBackgroundColor(someDiv, 'blue'); // color set to 'blue'
<p>跟Python等語言不同的地方是,先前預設的代數值會拿來進行函式內的程序,也因此在函式呼叫的時候,會建立新物件。</p>
-<pre class="brush: js notranslate">function append(value, array = []) {
+<pre class="brush: js">function append(value, array = []) {
array.push(value);
return array;
}
@@ -71,7 +71,7 @@ append(2); //[2], 而非 [1, 2]
<p>諸如此類的做法,也適用在函式和變量。</p>
-<pre class="brush: js notranslate">function callSomething(thing = something()) {
+<pre class="brush: js">function callSomething(thing = something()) {
return thing;
}
@@ -85,7 +85,7 @@ callSomething(); //sth</pre>
<p>先前有碰到的參數,後來的即可使用。</p>
-<pre class="brush: js notranslate">function singularAutoPlural(singular, plural = singular + '們',
+<pre class="brush: js">function singularAutoPlural(singular, plural = singular + '們',
rallyingCry = plural + ',進攻啊!!!') {
return [singular, plural, rallyingCry];
}
@@ -103,7 +103,7 @@ singularAutoPlural('鹿兒', '鹿兒們', '鹿兒們平心靜氣的 \
<p>This functionality is approximated in a straight forward fashion and demonstrates how many edge cases are handled.</p>
-<pre class="brush: js notranslate">function go() {
+<pre class="brush: js">function go() {
return ':P';
}
@@ -145,7 +145,7 @@ withoutDefaults.call({value: '=^_^='});
<p>Introduced in Gecko 33 {{geckoRelease(33)}}. Functions declared in the function body cannot be referred inside default parameters and throw a {{jsxref("ReferenceError")}} (currently a {{jsxref("TypeError")}} in SpiderMonkey, see {{bug(1022967)}}). Default parameters are always executed first, function declarations inside the function body evaluate afterwards.</p>
-<pre class="brush: js notranslate">// 行不通的! 最後會丟出 ReferenceError。
+<pre class="brush: js">// 行不通的! 最後會丟出 ReferenceError。
function f(a = go()) {
function go() { return ':P'; }
}
@@ -155,7 +155,7 @@ function f(a = go()) {
<p>Prior to Gecko 26 {{geckoRelease(26)}}, the following code resulted in a {{jsxref("SyntaxError")}}. This has been fixed in {{bug(777060)}} and works as expected in later versions. Parameters are still set left-to-right, overwriting default parameters even if there are later parameters without defaults.</p>
-<pre class="brush: js notranslate">function f(x = 1, y) {
+<pre class="brush: js">function f(x = 1, y) {
return [x, y];
}
@@ -167,7 +167,7 @@ f(2); // [2, undefined]
<p>You can use default value assignment with the <a href="/en-US/docs/Web/JavaScript/Reference/Operators/Destructuring_assignment">destructuring assignment</a> notation:</p>
-<pre class="brush: js notranslate">function f([x, y] = [1, 2], {z: z} = {z: 3}) {
+<pre class="brush: js">function f([x, y] = [1, 2], {z: z} = {z: 3}) {
return x + y + z;
}