JavaScript DHTML/HTML/HR Line

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Controlling HR Object Properties (IE)

<HTML>
<HEAD>
<TITLE>HR Object Properties</TITLE>
<SCRIPT LANGUAGE="JavaScript">
function setHRAttr(select) {
    if (document.all && document.all.myHR) {
        var choice = select.options[select.selectedIndex].value
        if (choice) {
            document.all.myHR.setAttribute(select.name, choice)
        }
    }
}
</SCRIPT>
</HEAD>
<BODY>
<H1>HR Object Properties</H1>
<BR>
<P>Here is the HR element you will be controlling:</P>
<HR ID="myHR">
<FORM>
Select an alignment: 
<SELECT NAME="align" onChange="setHRAttr(this)">
    <OPTION></OPTION>
    <OPTION VALUE="left">Left</OPTION>
    <OPTION VALUE="center">Center</OPTION>
    <OPTION VALUE="right">Right</OPTION>
</SELECT>
<BR>
Select a rule color (IE only): 
<SELECT NAME="color" onChange="setHRAttr(this)">
    <OPTION></OPTION>
    <OPTION VALUE="red">Red</OPTION>
    <OPTION VALUE="green">Green</OPTION>
    <OPTION VALUE="blue">Blue</OPTION>
    <OPTION VALUE="#FA8072">Some Hex Triplet Value</OPTION>
</SELECT>
<BR>
Select a rule shading: 
<SELECT NAME="noShade" onChange="setHRAttr(this)">
    <OPTION></OPTION>
    <OPTION VALUE=true>No Shading</OPTION>
    <OPTION VALUE=false>Shading</OPTION>
</SELECT>
<BR>
Select a rule height: 
<SELECT NAME="size" onChange="setHRAttr(this)">
    <OPTION></OPTION>
    <OPTION VALUE=2>2 (Default)</OPTION>
    <OPTION VALUE=4>4 Pixels</OPTION>
    <OPTION VALUE=10>10 Pixels</OPTION>
</SELECT>
<BR>
Select a rule width: 
<SELECT NAME="width" onChange="setHRAttr(this)">
    <OPTION></OPTION>
    <OPTION VALUE="100%">100% (Default)</OPTION>
    <OPTION VALUE="80%">80%</OPTION>
    <OPTION VALUE=300>300 Pixels </OPTION>
</SELECT>
</BODY>
</HTML>



Draw line with parameter

<html>
<head>
<script language="JavaScript">
<!--
function hr(w, h) {
  document.writeln("<hr align=left width=" + w +"height=" + h +">");
 }
//-->
</script>
</head>
<body>
<h3>JavaScript Essentials <script>hr("75%","4")</script> </h3>
</body>
</html>



HR size

    
<html>
<body>
<script language="JavaScript">
function function1() {
    document.getElementById("myHR").size = "30";
}
</script>
<hr id="myHR" color="green">
<input type="button" value="Size=30" onClick="function1();">
</body>
</html>



Line without noShade

    
<html>
<body>
<script language="JavaScript">
    function function1() {
        document.getElementById("myH").noShade = false
    } 
</script>
<hr id="myH" noshade="true" size="3">
<input type="button" value="Add a shade" onClick="function1();">
</body>
</html>
Источник — «http://wbex.ru/index.php?title=JavaScript_DHTML/HTML/HR_Line&oldid=2612»