次の方法で共有

isMultiLine Property

  • [アーティクル]

Retrieves the value indicating whether the content of the object contains one or more lines.

Syntax

HTML N/A
Scripting [ bMulti = ] object.isMultiLine

Possible Values

bMulti Boolean that receives one of the following values.
false
The content contains exactly one line.
true
The content contains more than one line.

The property is read-only. The property has no default value.

Example

The following example shows how to use the isMultiLine property to determine whether the content of an object can contain only one line or multiple lines of text.


<HTML>
<HEAD>
<SCRIPT>
function answer(arg) {
    arg ? alert("Yes") : alert("No");
}
</SCRIPT>
</HEAD>
<BODY>
<P>INPUT: <INPUT type="text" ID="oInput" VALUE="oInput"/>
<BUTTON onclick="answer(oInput.isMultiLine);">
Can the INPUT contain more than one line?</BUTTON>
</P>

<P>TEXTAREA: <TEXTAREA ID="oTextarea">oTextarea</TEXTAREA>
<BUTTON onclick="answer(oTextarea.isMultiLine);">
Can the TEXTAREA contain more than one line?</BUTTON>
</P>
</BODY>
</HTML>

Code example: http://samples.msdn.microsoft.com/workshop/samples/author/dhtml/refs/ismultilineEX1.htm

Applies To

defaults, A, ABBR, ACRONYM, ADDRESS, APPLET, AREA, B, BASE, BASEFONT, BDO, BGSOUND, BIG, BLOCKQUOTE, BODY, BR, BUTTON, CAPTION, CENTER, CITE, CODE, COL, COLGROUP, COMMENT, CUSTOM, DD, DEL, DFN, DIR, DIV, DL, DT, EM, EMBED, FIELDSET, FONT, FORM, FRAME, FRAMESET, HEAD, hn, HR, HTML, I, IFRAME, IMG, INPUT type=button, INPUT type=checkbox, INPUT type=file, INPUT type=hidden, INPUT type=image, INPUT type=password, INPUT type=radio, INPUT type=reset, INPUT type=submit, INPUT type=text, INS, ISINDEX, KBD, LABEL, LEGEND, LI, LINK, LISTING, MAP, MARQUEE, MENU, nextID, NOBR, NOFRAMES, NOSCRIPT, OBJECT, OL, OPTION, P, PLAINTEXT, PRE, Q, RT, RUBY, S, SAMP, SCRIPT, SELECT, SMALL, SPAN, STRIKE, STRONG, SUB, SUP, TABLE, TBODY, TD, TEXTAREA, TFOOT, TH, THEAD, TITLE, TR, TT, U, UL, VAR, WBR, XML, XMP, Element Constructor, HTCElementBehaviorDefaults Constructor