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The focus() method is used to give focus to a text field.
focus()方法可让文字输入区域获得焦点
textObject.focus() |
<html>
<head>
<script type="text/javascript">
function setFocus()
{
document.getElementById("fname").focus()
}
</script>
</head> <body onload="setFocus()"> <form> Name: <input type="text" id="fname" size="30"><br /> Age: <input type="text" id="age" size="30"> </form> </body> </html> |
Set focus to an input field when the page loads
当页面加载的时候让输入区域得到焦点
Jump to the next field when the current field's maxlength has been reached
当前输入区域达到最大的字符输入限度的时候自动转到下一输入区域
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