$(selector).fadeIn(speed, 回调函数); 1. b、淡出(让元素以渐渐消失的方式隐藏起来) $(selector).fadeOut(speed, 回调函数); 1. c、淡入/淡出切换(通过改变透明度,切换匹配元素的显示或隐藏状态) $(selector).fadeToggle(speed, 回调函数); 1. 4、停止动画 $(selector).stop(false, false); 1. sto...
1:varoptions=$(“#select option:selected”); //获取选中的项 2:alert(options.val());//拿到选中项的值 3:alert(options.text());//拿到选中项的文本 4:alert(options.attr('url'));//拿到选中项的url值
// 获取第一个选项的data-custom-attr属性值 var firstOptionAttr = $('#mySelect option').eq(0).data('custom-attr'); console.log(firstOptionAttr); // 输出: customValue1 // 遍历所有选项并打印它们的值和自定义属性 $('#mySelect option').each(function() { var optionValue = $(this).val...
if (objSelect.options[i].value == objItemValue) { objSelect.options.remove(i); break; } } alert("成功删除"); } else { alert("该select中 不存在该项"); } } // 4.删除select中选中的项 function jsRemoveSelectedItemFromSelect(objSelect) { var length = objSelect.options.length - 1; ...
Selects all elements. Also in:Selectors>Basic Filter|Selectors>jQuery Extensions :animated Selector Select all elements that are in the progress of an animation at the time the selector is run. Also in:Selectors>Attribute Attribute Contains Prefix Selector [name|=”value”] ...
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// objSelect.options[objSelect.options.length] = varItem; objSelect.options.add(varItem, objItemPos); alert("成功加入"); } } //3.从select选项中 删除一个Item functionjsRemoveItemFromSelect(objSelect,objItemValue) { //判断是否存在
If you have two select fields and want to load options in second one, based on selected option from first one then, below example will help you lot to understand how it can be done. Here in this example, when a user selects country in first select field, jQuery on change event is ca...
{ if($("#ddlRegType ").get(0).options[i].text == text) { $("#ddlRegType ").get(0).options[i].selected = true; break; } } $("#select_id option[text='jQuery']").attr("selected", true); 设置select option项: $("#select_id").append("<option value='Value'>Text</option...
SelectorExampleSelects * $("*") All elements #id $("#lastname") The element with id="lastname" .class $(".intro") All elements with class="intro" .class,.class $(".intro,.demo") All elements with the class "intro" or "demo" element $("p") All <p> elements el1,el2,el3...