JavaScript DHTML/Node Operation/queryCommandState — различия между версиями
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Версия 10:02, 26 мая 2010
"queryCommandState()" Example
<html>
<body>
<script language="JavaScript">
function function1() {
var myText = document.selection.createRange();
if (!myText==""){
if (myText.queryCommandEnabled("Delete") == true) {
document.execCommand("Delete");
}
}
var m = myText.queryCommandState("Delete");
if (m == false) {
alert("Delete command has not been executed");
}
}
</script>
<p id="myText">
Select text in this paragraph, and then click button.</p>
<input type="button"
value="Click to delete selection and verify command state"
onclick="function1();">
</body>
</html>