compareEndPoints() Method : Text HTML : HTML : JavaScript DHTML examples (example source code) Organized by topic

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JavaScript DHTML » HTML » Text HTML 
compareEndPoints() Method

<HTML>
<HEAD>
<TITLE>TextRange.compareEndPoints() Method</TITLE>
<SCRIPT LANGUAGE="JavaScript">
var fixedRange
function setAndShowRangeData() {
    var selectedRange = document.selection.createRange()
    var result1 = fixedRange.compareEndPoints("StartToEnd", selectedRange)
    var result2 = fixedRange.compareEndPoints("StartToStart", selectedRange)
    var result3 = fixedRange.compareEndPoints("EndToStart", selectedRange)
    var result4 = fixedRange.compareEndPoints("EndToEnd", selectedRange)
    
    B1.innerText = result1
    compare1.innerText = getDescription(result1)
    B2.innerText = result2
    compare2.innerText = getDescription(result2)
    B3.innerText = result3
    compare3.innerText = getDescription(result3)
    B4.innerText = result4
    compare4.innerText = getDescription(result4)
}
function getDescription(comparisonValue) {
    switch (comparisonValue) {
        case -:
            return "comes before"
            break
        case :
            return "is the same as"
            break
        case :
            return "comes after"
            break
        default :
            return "vs."    
    }
}
function init() {
    fixedRange = document.body.createTextRange()
    fixedRange.moveToElementText(fixedRangeElem)
}
</SCRIPT>
</HEAD>
<BODY onLoad="init()">
<H1>TextRange.compareEndPoints() Method</H1>
<HR>
<P>Select text in the paragraph in various places relative to
the fixed text range (shown in red).</P>
<TABLE ID="results" BORDER=>
<TR><TH>Property</TH><TH>Returned Value</TH><TH>Fixed Range vs. Selection</TR>
<TR>
    <TD CLASS="propName">StartToEnd</TD>
    <TD CLASS="count" ID="B1">&nbsp;</TD>
    <TD CLASS="count" ID="C1">Start of Fixed 
    <SPAN ID="compare1">vs.</SPAN> End of Selection</TD>
</TR>
<TR>
    <TD CLASS="propName">StartToStart</TD>
    <TD CLASS="count" ID="B2">&nbsp;</TD>

<TD CLASS="count" ID="C2">Start of Fixed 
    <SPAN ID="compare2">vs.</SPAN> Start of Selection</TD>
</TR>
<TR>
    <TD CLASS="propName">EndToStart</TD>
    <TD CLASS="count" ID="B3">&nbsp;</TD>
    <TD CLASS="count" ID="C3">End of Fixed 
    <SPAN ID="compare3">vs.</SPAN> Start of Selection</TD>
</TR>
<TR>
    <TD CLASS="propName">EndToEnd</TD>
    <TD CLASS="count" ID="B4">&nbsp;</TD>
    <TD CLASS="count" ID="C4">End of Fixed 
    <SPAN ID="compare4">vs.</SPAN> End of Selection</TD>
</TR>
</TABLE>
<HR>
<P onMouseUp="setAndShowRangeData()">
Text, Text,Text,Text,Text,Text,Text,Text,Text,Text,<SPAN ID="fixedRangeElem">
Text,Text,Text,Text,Text,Text,Text,Text,</SPAN>, 
Text,Text,Text,Text,Text,Text,Text,Text,Text,Text,Text,Text,Text,Text,Text,Text,</P>
</BODY>
</HTML>

           
       
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