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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="EUC-KR">
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<title>Insert title here</title>
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<script>
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function fn_ToFixed()
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{
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var form = document.forms['Number'];
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var su = 123.45670;
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form.ToFixed1.value = su.toFixed(1);
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form.ToFixed2.value = su.toFixed(4);
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}
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function fn_String()
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{
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var form = document.forms['Number'];
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var su = 52;
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form.String1.value = su.toString();
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form.String2.value = su.toString(2);
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form.String3.value = su.toString(8);
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form.String4.value = su.toString(16);
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}
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function fn_toPrecision()
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{
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var form = document.forms['Number'];
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var su = 5158515.1212;
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form.ToPrecision1.value = Number(su).toPrecision(8);
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}
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function fn_parseint()
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{
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var form = document.forms['Number'];
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form.Parseint1.value = parseInt("12313 ABC");
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}
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</script>
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</head>
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<body>
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<form name="Number">
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<div align="center"><font size="20">Number</font></div><br><br>
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<table border="1" align="center">
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<tr>
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<td> toFixed() : </td>
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<td> 숫자를 고정 소수점 표시로 나타낸 문자열을 리턴한다. </td>
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<td><input type="button" size="10" value="보기" onclick="fn_ToFixed()"/></td>
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<td><input type="text" size="20" id="ToFixed1" value="toFixed(1)"/></td>
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<td><input type="text" size="20" id="ToFixed2" value="toFixed(4)"/></td>
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</tr>
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<tr>
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<td> toString() : </td>
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<td> number를 string으로 리턴한다</td>
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<td><input type="button" size="10" value="보기" onclick="fn_String()"/></td>
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<td colspan="2"><input type="text" size="20" id="String1" value="52"/></td>
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</tr>
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<tr>
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<td></td>
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<td></td>
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<td></td>
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<td colspan="2"><input type="text" size="20" id="String2" value="2진법"/></td>
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</tr>
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<tr>
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<td></td>
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<td></td>
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<td></td>
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<td colspan="2"><input type="text" size="20" id="String3" value="8진법"/></td>
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</tr>
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<tr>
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<td></td>
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<td></td>
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<td></td>
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<td colspan="2"><input type="text" size="20" id="String4" value="16진법"/></td>
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</tr>
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<tr>
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<td> toPrecision() : </td>
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<td> ()안에 숫자의 특정길이를 표기하여 그 길이한큼 string로 리턴한다</td>
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<td><input type="button" size="10" value="보기" onclick="fn_toPrecision()"/></td>
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<td colspan="2"><input type="text" size="20" id="ToPrecision1" value="5158515.1212"/></td>
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</tr>
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<tr>
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<td> parseInt() : </td>
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<td> 제일 앞에 나오는 문자열이 아닌 정수 수치만을 얻어 온다.</td>
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<td><input type="button" size="10" value="보기" onclick="fn_parseint()"/></td>
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<td colspan="2"><input type="text" size="20" id="Parseint1" value="12313 ABC"/></td>
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</tr>
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</table>
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</form>
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</body>
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</html>
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