4
我疯了。我有一个自动提示框,供用户选择一个建议。在下一个建议选项上,文本输入框的值超出其大小。我可以将克拉移至输入字段交叉浏览器的末尾,没有问题。但在Chrome和Safari上,我无法在最后看到克拉。文本的结尾不可见。将插入符号移动到文本输入字段的末尾并使末尾可见
有没有办法将克拉移动到文本输入字段的末尾,并使字段的末尾可见,以便用户不会对输入克拉的位置感到困惑?
我走到这一步:
<html>
<head><title>Field update test</title></head>
<body>
<form action="#" method="POST" name="testform">
<p>After a field is updated the carat should be at the end of the text field AND the end of the text should be visible</p>
<input type="text" name="testbox" value="" size="40">
<p><a href="javascript:void(0);" onclick="add_more_text();">add more text</a></p>
</form>
<script type="text/javascript">
<!--
var count = 0;
function add_more_text() {
var textfield = document.testform.elements['testbox'];
textfield.focus();
if (count == 0) textfield.value = ''; // clear old
count++;
textfield.value = textfield.value + (textfield.value.length ? ', ' : '') + count + ": This is some sample text";
// move to the carat to the end of the field
if (textfield.setSelectionRange) {
textfield.setSelectionRange(textfield.value.length, textfield.value.length);
} else if (textfield.createTextRange) {
var range = textfield.createTextRange();
range.collapse(true);
range.moveEnd('character', textfield.value.length);
range.moveStart('character', textfield.value.length);
range.select();
}
// force carat visibility for some browsers
if (document.createEvent) {
// Trigger a space keypress.
var e = document.createEvent('KeyboardEvent');
if (typeof(e.initKeyEvent) != 'undefined') {
e.initKeyEvent('keypress', true, true, null, false, false, false, false, 0, 32);
} else {
e.initKeyboardEvent('keypress', true, true, null, false, false, false, false, 0, 32);
}
textfield.dispatchEvent(e);
// Trigger a backspace keypress.
e = document.createEvent('KeyboardEvent');
if (typeof(e.initKeyEvent) != 'undefined') {
e.initKeyEvent('keypress', true, true, null, false, false, false, false, 8, 0);
} else {
e.initKeyboardEvent('keypress', true, true, null, false, false, false, false, 8, 0);
}
textfield.dispatchEvent(e);
}
}
// -->
</script>
</body>
</html>
感谢