error 속성 추가 (#1363)

- columnnumber, filename, linenumber, message, tostring 추가
- name 수정

1 files changed, 90 insertions, 0 deletions

diff --git a/files/ko/web/javascript/reference/global_objects/error/tostring/index.html b/files/ko/web/javascript/reference/global_objects/error/tostring/index.html
new file mode 100644
index 0000000000..a37cdad01f
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+++ b/files/ko/web/javascript/reference/global_objects/error/tostring/index.html
@@ -0,0 +1,90 @@
+---
+title: Error.prototype.toString()
+slug: Web/JavaScript/Reference/Global_Objects/Error/toString
+tags:
+- JavaScript
+- Method
+- Prototype
+browser-compat: javascript.builtins.Error.toString
+---
+<div>{{JSRef}}</div>
+
+<p><code><strong>toString()</strong></code> 메서드는 명시된 {{jsxref("Error")}} 객체를 표현하는 문자열을 반환합니다.</p>
+
+<h2 id="Syntax">구문</h2>
+
+<pre class="brush: js">toString()</pre>
+
+<h3 id="Return_value">반환값</h3>
+
+<p>명시된 {{jsxref("Error")}} 객체를 표현하는 문자열.</p>
+
+<h2 id="Description">설명</h2>
+
+<p>{{jsxref("Error")}} 객체는 모든 객체가 상속받는 {{jsxref("Object.prototype.toString()")}} 메서드를 재정의합니다. 
+  이 의미는 다음과 같습니다({{jsxref("Object")}}과 {{jsxref("String")}}는 그들 만의 원본 값이 있다고 가정합니다):</p>
+
+<pre class="brush: js">Error.prototype.toString = function() {
+  'use strict';
+
+  var obj = Object(this);
+  if (obj !== this) {
+    throw new TypeError();
+  }
+
+  var name = this.name;
+  name = (name === undefined) ? 'Error' : String(name);
+
+  var msg = this.message;
+  msg = (msg === undefined) ? '' : String(msg);
+
+  if (name === '') {
+    return msg;
+  }
+  if (msg === '') {
+    return name;
+  }
+
+  return name + ': ' + msg;
+};
+</pre>
+
+<h2 id="Examples">예제</h2>
+
+<h3 id="Using_toString">toString() 사용하기</h3>
+
+<pre class="brush: js">var e1 = new Error('fatal error');
+console.log(e1.toString()); // 'Error: fatal error'
+
+var e2 = new Error('fatal error');
+e2.name = undefined;
+console.log(e2.toString()); // 'Error: fatal error'
+
+var e3 = new Error('fatal error');
+e3.name = '';
+console.log(e3.toString()); // 'fatal error'
+
+var e4 = new Error('fatal error');
+e4.name = '';
+e4.message = undefined;
+console.log(e4.toString()); // ''
+
+var e5 = new Error('fatal error');
+e5.name = 'hello';
+e5.message = undefined;
+console.log(e5.toString()); // 'hello'
+</pre>
+
+<h2 id="Specifications">명세</h2>
+
+{{Specifications}}
+
+<h2 id="Browser_compatibility">브라우저 호환성</h2>
+
+<p>{{Compat}}</p>
+
+<h2 id="See_also">같이 보기</h2>
+
+<ul>
+  <li>{{jsxref("Error.prototype.toSource()")}}</li>
+</ul>