bind( type, [data], fn ) 为每一个匹配元素的特定事件(像click)绑定一个或多个事件处理器函数。可能的事件type属性有:blur, focus, load, resize, scroll, unload, click, dblclick, mousedown, mouseup, mousemove,mouseover, mouseout, mouseenter, mouseleave, change, select, submit, keydown, keypress,...
// HTML代码// JavaScript代码$(document).ready(function(){varinitialValue=$('#myInput').val();$('#myInput').change(function(){varpreviousValue=initialValue;varcurrentValue=$(this).val();console.log('之前的值:'+previousValue);console.log('当前的值:'+currentValue);});}); 1. 2. 3. ...
// Check input( $( this ).val() ) for validity here } ); .trigger( "change" )Returns:jQuery Description:Trigger the "change" event on an element. version added:1.0.trigger( "change" ) "change" Type:string The string"change". See the description for.on( "change", ... )....
type header.Note:The W3C XMLHttpRequest specification dictates that the charset is always UTF-8; specifying another charset will not force the browser to change the encoding.Note:For cross-domain requests, setting the content type to anything other thanapplication/x-www-form-urlencoded,multipart/...
// 全选按钮改变状态,小复选框跟着改变$(".checkall").change(function(){// console.log($(this).prop("checked"));$(".j-checkbox,.checkall").prop("checked",$(this).prop('checked'));});$(".j-checkbox").change(function(){// 每次改变小复选框状态都要判断小复选框是否全被选中// 如...
1 $( ".selector" ).on( "autocompletechange", function( event, ui ) {} ); close( event, ui )Type: autocompleteclose Triggered when the menu is hidden. Not every close event will be accompanied by a change event. event Type: Event ui Type: Object Note: The ui object is empty...
change( ) 用户改变域的内容 input, textarea, select click( ) 鼠标点击某个对象 几乎所有元素 dblclick( ) 鼠标双击某个对象 几乎所有元素 error( ) 当加载文档或图像时发生某个错误 window, img focus( ) 元素获得焦点 a, input, textarea, button, select, label, map, area ...
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$('select').change(function () { console.log($(this).val()); }); select() 方法描述:当内容选择时触发所绑定的函数。 需求描述:当文本框的内容被选择时,就向控制台输出当前文本框的内容 $('input').select(function () { console.log($(this).val()); });...
變更change(Fn) 按一下Click(Fn) dblclickdblclick(Fn) 錯誤error(Fn) 焦點focus(Fn) KeydownKeydown(Fn) 按下Keypress(Fn) KeyupKeyup(Fn) load(Fn) mousedown(Fn) mousemove(Fn) mouseout(Fn) Mouseover(Fn) mouseup(Fn) resize(Fn) scroll(Fn) ...