input focus
The focus event is sent to an element when it gains focus. This event is implicitly applicable to a limited set of elements, such as form elements ( <input> ... ,Example. Select and style an input field when it gets focus: input:focus ... Definition and Usage. The :focus selector is used to select the element that has focus.
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 input focus 相關參考資料
.focus() : 为JavaScript 的"focus" 事件绑定一个处理函数，或者触发元素 ...
当一个元素获得焦点时， focus 事件被触发。此事件起初适用于有限的元素，比如表单元素（ <input> , <select> 等）和链接元素（ <a href> ）。在最近版本的浏览器中，该 ... https://www.jquery123.com .focus() | jQuery API Documentation
The focus event is sent to an element when it gains focus. This event is implicitly applicable to a limited set of elements, such as form elements ( <input> ... https://api.jquery.com CSS :focus Selector - W3Schools
Example. Select and style an input field when it gets focus: input:focus ... Definition and Usage. The :focus selector is used to select the element that has focus. https://www.w3schools.com How to focus on a form input text field on page load using jQuery ...
Set focus on the first text field: $("input:text:visible:first").focus();. This also does the first text field, but you can change the [0] to another index: https://stackoverflow.com HTML DOM focus() Method - W3Schools
More "Try it Yourself" examples below. Definition and Usage. The focus() method is used to give focus to an element (if it can be focused). Tip: Use the blur() ... https://www.w3schools.com HTML DOM Input Search focus() Method - W3Schools
Definition and Usage. The focus() method is used to give focus to a week field. Tip: Use the blur() method to remove focus from a week field. https://www.w3schools.com HTML DOM Input Text focus() Method - W3Schools
Definition and Usage. The focus() method is used to give focus to a text field. Tip: Use the blur() method to remove focus from a text field. https://www.w3schools.com HTML input autofocus Attribute - W3Schools
Definition and Usage. The autofocus attribute is a boolean attribute. When present, it specifies that an <input> element should automatically get focus when the ... https://www.w3schools.com HTMLElement.focus() | MDN
The HTMLElement.focus() method sets focus on the specified element, if it can be ... <input type="text" id="myTextField" value="Text field. https://developer.mozilla.org jQuery 事件- focus() 方法 - w3school 在线教程
实例. 当输入框获得焦点时，改变它的背景色： $("input").focus(function() $("input").css("background-color","#FFFFCC"); });. 亲自试一试 ... http://www.w3school.com.cn |