<script>
var clickIndex = 0
var textArray=["第一句话","第2句话","333","444","555"]
window.onload = function() {
var ts = document.getElementById("txt")
ts.onclick = function() {
if(clickIndex<textArray.length){
document.getElementById("txt").innerHTML = textArray[clickIndex]
clickIndex++
}else{
alert("结束")
}
}
}
</script>
你可以参考下面的代码来进行：<!DOCTYPE HTML>
<html>
<head>
<title>yugi</title>
<meta charset=UTF-8 />
<style type="text/css">
</style>
<script type="text/javascript">
var LInserter =
{
start : 0,
end : 0,
isIE : function ()
{
return (!!window.ActiveXObject)
},
getPos : function (obj, whichone)
{
var me = LInserter
var pos = 0
var dir = whichone == "start" ? "StartToStart" : "StartToEnd"
if (me.isIE ())
{
var rangeSelection = document.selection.createRange ()
if (rangeSelection.parentElement ().id == obj.id)
{
if (obj.tagName.toLowerCase () == 'textarea')
{
var rangeBody = document.body.createTextRange ()
rangeBody.moveToElementText (obj)
}
else
{
var rangeBody = obj.createTextRange ()
}
for (pos = 0rangeBody.compareEndPoints (dir, rangeSelection) <0pos++)
{
rangeBody.moveStart ("character", 1)
}
for ( var i = 0i <= posi++)
{
if (obj.value.charAt (i) == "\n")
{
pos++
}
}
return (pos = whichone == "start" ? (me.start = pos) : (me.end = pos))
}
}
else
{
return (pos = whichone == "start" ? (me.start = obj.selectionStart) : (me.end = obj.selectionEnd))
}
},
insert : function (obj, params)
{
var me = LInserter
obj.value = obj.value.substring (0, me.start) + params + obj.value.substr (me.start)
return obj.value
}
}
</script>
</head>
<body>
<a href="javascript:" onclick="LInserter.insert(document.getElementById('conet'), '我我我我我我我我')">点我</a>
<a href="javascript:" onclick="LInserter.insert(document.getElementById('conet'), '他他他他他他他')">点他</a>
<textarea name="conet" id="conet" rows="14" cols="50" style="resize:none" onmouseup="LInserter.getPos(this, 'start')"></textarea>
</body>
</html>
