I have a textarea, On every Enter key pressed in textarea I want new line to be started with a bullet say (*). How to go about it ?
请不要使用 jQuery。
I can observe for the Enter key , after that !? Should I have to get the whole value of textarea and append * to it and again fill the textarea ?
你可以这样做：
<body>
<textarea id="txtArea" onkeypress="onTestChange();"></textarea>
<script>
function onTestChange() {
var key = window.event.keyCode;
// If the user has pressed enter
if (key === 13) {
document.getElementById("txtArea").value = document.getElementById("txtArea").value + "\n*";
return false;
}
else {
return true;
}
}
</script>
</body>
虽然按 Enter 键后的新行字符提要仍然存在，但它是获得您想要的内容的开始。
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