<div class="line number1 index0 alt2" style="font-size:13.1999998092651px;line-height:14.5199995040894px;font-family:Courier, monospace;color:#666666;margin:0px;padding:.5em .5em .5em 1em;border-width:0px 1px 0px 0px;border-right-style:solid;border-right-color:#e5ecef;vertical-align:baseline;float:none;height:auto;overflow:visible;width:auto;white-space:pre;background:rgb(244,250,252) none;"><code class="javascript keyword" style="font-size:12px;font-family:Courier, monospace;margin:0px;padding:0px;border:0px;vertical-align:baseline;float:none;height:auto;line-height:1.1em;overflow:visible;width:auto;font-weight:bold;color:#006699;background:none;">안녕하세요.</code></div> <div class="line number1 index0 alt2" style="font-size:13.1999998092651px;line-height:14.5199995040894px;font-family:Courier, monospace;color:#666666;margin:0px;padding:.5em .5em .5em 1em;border-width:0px 1px 0px 0px;border-right-style:solid;border-right-color:#e5ecef;vertical-align:baseline;float:none;height:auto;overflow:visible;width:auto;white-space:pre;background:rgb(244,250,252) none;"><code class="javascript keyword" style="font-size:12px;font-family:Courier, monospace;margin:0px;padding:0px;border:0px;vertical-align:baseline;float:none;height:auto;line-height:1.1em;overflow:visible;width:auto;font-weight:bold;color:#006699;background:none;">밑에 prototype.name=null로 지정하는 뜻이 뭔지 궁금합니다</code></div> <div class="line number1 index0 alt2" style="font-family:Courier, monospace;margin:0px;padding:.5em .5em .5em 1em;border-width:0px 1px 0px 0px;border-right-style:solid;border-right-color:#e5ecef;vertical-align:baseline;float:none;height:auto;overflow:visible;width:auto;white-space:pre;background:rgb(244,250,252) none;"><font color="#006699"><span style="line-height:13.1999998092651px;"><b>null값을 대신 'a'같은 문자를 넣고 </b></span></font><b style="font-size:9pt;color:#006699;line-height:13.1999998092651px;">생성자의 인자를 비워봤는데</b><b style="line-height:13.1999998092651px;color:#006699;font-size:9pt;"> 결과값이 undefined라고 되더라구요</b></div> <div class="line number1 index0 alt2" style="font-family:Courier, monospace;margin:0px;padding:.5em .5em .5em 1em;border-width:0px 1px 0px 0px;border-right-style:solid;border-right-color:#e5ecef;vertical-align:baseline;float:none;height:auto;overflow:visible;width:auto;white-space:pre;background:rgb(244,250,252) none;"><font color="#006699"><span style="line-height:13.1999998092651px;"><b>왜 그런지 아시는분 좀 도와주세요</b></span></font></div> <div class="line number1 index0 alt2" style="font-size:13.1999998092651px;line-height:14.5199995040894px;font-family:Courier, monospace;color:#666666;margin:0px;padding:.5em .5em .5em 1em;border-width:0px 1px 0px 0px;border-right-style:solid;border-right-color:#e5ecef;vertical-align:baseline;float:none;height:auto;overflow:visible;width:auto;white-space:pre;background:rgb(244,250,252) none;"><br></div> <div class="line number1 index0 alt2" style="font-size:13.1999998092651px;line-height:14.5199995040894px;font-family:Courier, monospace;color:#666666;margin:0px;padding:.5em .5em .5em 1em;border-width:0px 1px 0px 0px;border-right-style:solid;border-right-color:#e5ecef;vertical-align:baseline;float:none;height:auto;overflow:visible;width:auto;white-space:pre;background:rgb(244,250,252) none;"><code class="javascript keyword" style="font-size:12px;font-family:Courier, monospace;margin:0px;padding:0px;border:0px;vertical-align:baseline;float:none;height:auto;line-height:1.1em;overflow:visible;width:auto;font-weight:bold;color:#006699;background:none;">function</code> <code class="javascript plain" style="font-size:12px;font-family:Courier, monospace;margin:0px;padding:0px;border:0px;vertical-align:baseline;float:none;height:auto;line-height:1.1em;overflow:visible;width:auto;color:#000000;background:none;">Person(name){</code></div> <div class="line number2 index1 alt1" style="font-size:13.1999998092651px;line-height:14.5199995040894px;font-family:Courier, monospace;color:#666666;margin:0px;padding:.5em .5em .5em 1em;border-width:0px 1px 0px 0px;border-right-style:solid;border-right-color:#e5ecef;vertical-align:baseline;float:none;height:auto;overflow:visible;width:auto;white-space:pre;background-image:none;"><code class="javascript spaces" style="font-size:12px;font-family:Courier, monospace;margin:0px;padding:0px;border:0px;vertical-align:baseline;float:none;height:auto;line-height:1.1em;overflow:visible;width:auto;background:none;"> </code><code class="javascript keyword" style="font-size:12px;font-family:Courier, monospace;margin:0px;padding:0px;border:0px;vertical-align:baseline;float:none;height:auto;line-height:1.1em;overflow:visible;width:auto;font-weight:bold;color:#006699;background:none;">this</code><code class="javascript plain" style="font-size:12px;font-family:Courier, monospace;margin:0px;padding:0px;border:0px;vertical-align:baseline;float:none;height:auto;line-height:1.1em;overflow:visible;width:auto;color:#000000;background:none;">.name = name;</code></div> <div class="line number3 index2 alt2" style="font-size:13.1999998092651px;line-height:14.5199995040894px;font-family:Courier, monospace;color:#666666;margin:0px;padding:.5em .5em .5em 1em;border-width:0px 1px 0px 0px;border-right-style:solid;border-right-color:#e5ecef;vertical-align:baseline;float:none;height:auto;overflow:visible;width:auto;white-space:pre;background:rgb(244,250,252) none;"><code class="javascript plain" style="font-size:12px;font-family:Courier, monospace;margin:0px;padding:0px;border:0px;vertical-align:baseline;float:none;height:auto;line-height:1.1em;overflow:visible;width:auto;color:#000000;background:none;">}</code></div> <div class="line number4 index3 alt1" style="font-size:13.1999998092651px;line-height:14.5199995040894px;font-family:Courier, monospace;color:#666666;margin:0px;padding:.5em .5em .5em 1em;border-width:0px 1px 0px 0px;border-right-style:solid;border-right-color:#e5ecef;vertical-align:baseline;float:none;height:auto;overflow:visible;width:auto;white-space:pre;background-image:none;"><code class="javascript plain" style="font-size:12px;font-family:Courier, monospace;margin:0px;padding:0px;border:0px;vertical-align:baseline;float:none;height:auto;line-height:1.1em;overflow:visible;width:auto;color:#000000;background:none;">Person.prototype.name=</code><code class="javascript keyword" style="font-size:12px;font-family:Courier, monospace;margin:0px;padding:0px;border:0px;vertical-align:baseline;float:none;height:auto;line-height:1.1em;overflow:visible;width:auto;font-weight:bold;color:#006699;background:none;">null</code><code class="javascript plain" style="font-size:12px;font-family:Courier, monospace;margin:0px;padding:0px;border:0px;vertical-align:baseline;float:none;height:auto;line-height:1.1em;overflow:visible;width:auto;color:#000000;background:none;">;</code></div> <div class="line number5 index4 alt2" style="font-size:13.1999998092651px;line-height:14.5199995040894px;font-family:Courier, monospace;color:#666666;margin:0px;padding:.5em .5em .5em 1em;border-width:0px 1px 0px 0px;border-right-style:solid;border-right-color:#e5ecef;vertical-align:baseline;float:none;height:auto;overflow:visible;width:auto;white-space:pre;background:rgb(244,250,252) none;"><code class="javascript plain" style="font-size:12px;font-family:Courier, monospace;margin:0px;padding:0px;border:0px;vertical-align:baseline;float:none;height:auto;line-height:1.1em;overflow:visible;width:auto;color:#000000;background:none;">Person.prototype.introduce = </code><code class="javascript keyword" style="font-size:12px;font-family:Courier, monospace;margin:0px;padding:0px;border:0px;vertical-align:baseline;float:none;height:auto;line-height:1.1em;overflow:visible;width:auto;font-weight:bold;color:#006699;background:none;">function</code><code class="javascript plain" style="font-size:12px;font-family:Courier, monospace;margin:0px;padding:0px;border:0px;vertical-align:baseline;float:none;height:auto;line-height:1.1em;overflow:visible;width:auto;color:#000000;background:none;">(){</code></div> <div class="line number6 index5 alt1" style="font-size:13.1999998092651px;line-height:14.5199995040894px;font-family:Courier, monospace;color:#666666;margin:0px;padding:.5em .5em .5em 1em;border-width:0px 1px 0px 0px;border-right-style:solid;border-right-color:#e5ecef;vertical-align:baseline;float:none;height:auto;overflow:visible;width:auto;white-space:pre;background-image:none;"><code class="javascript spaces" style="font-size:12px;font-family:Courier, monospace;margin:0px;padding:0px;border:0px;vertical-align:baseline;float:none;height:auto;line-height:1.1em;overflow:visible;width:auto;background:none;"> </code><code class="javascript keyword" style="font-size:12px;font-family:Courier, monospace;margin:0px;padding:0px;border:0px;vertical-align:baseline;float:none;height:auto;line-height:1.1em;overflow:visible;width:auto;font-weight:bold;color:#006699;background:none;">return</code> <code class="javascript string" style="font-size:12px;font-family:Courier, monospace;margin:0px;padding:0px;border:0px;vertical-align:baseline;float:none;height:auto;line-height:1.1em;overflow:visible;width:auto;color:#0000FF;background:none;">'My name is '</code><code class="javascript plain" style="font-size:12px;font-family:Courier, monospace;margin:0px;padding:0px;border:0px;vertical-align:baseline;float:none;height:auto;line-height:1.1em;overflow:visible;width:auto;color:#000000;background:none;">+</code><code class="javascript keyword" style="font-size:12px;font-family:Courier, monospace;margin:0px;padding:0px;border:0px;vertical-align:baseline;float:none;height:auto;line-height:1.1em;overflow:visible;width:auto;font-weight:bold;color:#006699;background:none;">this</code><code class="javascript plain" style="font-size:12px;font-family:Courier, monospace;margin:0px;padding:0px;border:0px;vertical-align:baseline;float:none;height:auto;line-height:1.1em;overflow:visible;width:auto;color:#000000;background:none;">.name; </code></div> <div class="line number7 index6 alt2" style="font-size:13.1999998092651px;line-height:14.5199995040894px;font-family:Courier, monospace;color:#666666;margin:0px;padding:.5em .5em .5em 1em;border-width:0px 1px 0px 0px;border-right-style:solid;border-right-color:#e5ecef;vertical-align:baseline;float:none;height:auto;overflow:visible;width:auto;white-space:pre;background:rgb(244,250,252) none;"><code class="javascript plain" style="font-size:12px;font-family:Courier, monospace;margin:0px;padding:0px;border:0px;vertical-align:baseline;float:none;height:auto;line-height:1.1em;overflow:visible;width:auto;color:#000000;background:none;">}</code></div> <div class="line number8 index7 alt1" style="font-size:13.1999998092651px;line-height:14.5199995040894px;font-family:Courier, monospace;color:#666666;margin:0px;padding:.5em .5em .5em 1em;border-width:0px 1px 0px 0px;border-right-style:solid;border-right-color:#e5ecef;vertical-align:baseline;float:none;height:auto;overflow:visible;width:auto;white-space:pre;background-image:none;"><code class="javascript keyword" style="font-size:12px;font-family:Courier, monospace;margin:0px;padding:0px;border:0px;vertical-align:baseline;float:none;height:auto;line-height:1.1em;overflow:visible;width:auto;font-weight:bold;color:#006699;background:none;">var</code> <code class="javascript plain" style="font-size:12px;font-family:Courier, monospace;margin:0px;padding:0px;border:0px;vertical-align:baseline;float:none;height:auto;line-height:1.1em;overflow:visible;width:auto;color:#000000;background:none;">p1 = </code><code class="javascript keyword" style="font-size:12px;font-family:Courier, monospace;margin:0px;padding:0px;border:0px;vertical-align:baseline;float:none;height:auto;line-height:1.1em;overflow:visible;width:auto;font-weight:bold;color:#006699;background:none;">new</code> <code class="javascript plain" style="font-size:12px;font-family:Courier, monospace;margin:0px;padding:0px;border:0px;vertical-align:baseline;float:none;height:auto;line-height:1.1em;overflow:visible;width:auto;color:#000000;background:none;">Person(</code><code class="javascript string" style="font-size:12px;font-family:Courier, monospace;margin:0px;padding:0px;border:0px;vertical-align:baseline;float:none;height:auto;line-height:1.1em;overflow:visible;width:auto;color:#0000FF;background:none;">'egoing'</code><code class="javascript plain" style="font-size:12px;font-family:Courier, monospace;margin:0px;padding:0px;border:0px;vertical-align:baseline;float:none;height:auto;line-height:1.1em;overflow:visible;width:auto;color:#000000;background:none;">);</code></div> <div class="line number9 index8 alt2" style="font-size:13.1999998092651px;line-height:14.5199995040894px;font-family:Courier, monospace;color:#666666;margin:0px;padding:.5em .5em .5em 1em;border-width:0px 1px 0px 0px;border-right-style:solid;border-right-color:#e5ecef;vertical-align:baseline;float:none;height:auto;overflow:visible;width:auto;white-space:pre;background:rgb(244,250,252) none;"><code class="javascript plain" style="font-size:12px;font-family:Courier, monospace;margin:0px;padding:0px;border:0px;vertical-align:baseline;float:none;height:auto;line-height:1.1em;overflow:visible;width:auto;color:#000000;background:none;">document.write(p1.introduce()+</code><code class="javascript string" style="font-size:12px;font-family:Courier, monospace;margin:0px;padding:0px;border:0px;vertical-align:baseline;float:none;height:auto;line-height:1.1em;overflow:visible;width:auto;color:#0000FF;background:none;">"<br />"</code><code class="javascript plain" style="font-size:12px;font-family:Courier, monospace;margin:0px;padding:0px;border:0px;vertical-align:baseline;float:none;height:auto;line-height:1.1em;overflow:visible;width:auto;color:#000000;background:none;">);</code></div>