TextRange.compareEndPoints() Method
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 -1 :
return "comes before"
break
case 0 :
return "is the same as"
break
case 1 :
return "comes after"
break
default :
return "vs."
}
}
function init() {
fixedRange = document.body.createTextRange()
fixedRange.moveToElementText(fixedRangeElem)
}
TextRange.compareEndPoints() Method
Select text in the paragraph in various places relative to
the fixed text range (shown in red).
Property Returned Value Fixed Range vs. Selection
StartToEnd
Start of Fixed
vs. End of Selection
StartToStart
Start of Fixed
vs. Start of Selection
EndToStart
End of Fixed
vs. Start of Selection
EndToEnd
End of Fixed
vs. End of Selection
Text, Text,Text,Text,Text,Text,Text,Text,Text,Text,
Text,Text,Text,Text,Text,Text,Text,Text,,
Text,Text,Text,Text,Text,Text,Text,Text,Text,Text,Text,Text,Text,Text,Text,Text,