Javascript combobox onchange事件不存在';t火
嗨,我使用这段代码来创建一个组合框。问题是我不能使用onchange事件。我试图完成函数$(“.prodottoutoComplete”).combobox();插入更改事件,但我没有获得任何信息,事件也没有启动。 谢谢Javascript combobox onchange事件不存在';t火,javascript,jquery,combobox,Javascript,Jquery,Combobox,嗨,我使用这段代码来创建一个组合框。问题是我不能使用onchange事件。我试图完成函数$(“.prodottoutoComplete”).combobox();插入更改事件,但我没有获得任何信息,事件也没有启动。 谢谢 (函数($){ $.widget(“custom.combobox”{ _创建:函数(){ this.wrapper=$(“”) .addClass(“自定义组合框”) .insertAfter(此元素); this.element.hide(); 这是。_createAut
(函数($){
$.widget(“custom.combobox”{
_创建:函数(){
this.wrapper=$(“”)
.addClass(“自定义组合框”)
.insertAfter(此元素);
this.element.hide();
这是。_createAutocomplete();
这是。_createShowAllButton();
},
_createAutocomplete:function(){
var selected=this.element.children(“:selected”),
value=selected.val()?selected.text():“”;
this.input=$(“”)
.appendTo(this.wrapper)
.val(值)
.attr(“标题”、“名称”)
.addClass(“自定义组合框输入ui小部件ui小部件内容ui状态默认ui左角”)
.自动完成({
延迟:0,
最小长度:0,
来源:$.proxy(此“\u来源”)
})
.工具提示({
tooltipClass:“ui状态突出显示”
});
此。_on(this.input{
自动完成选择:功能(事件、用户界面){
ui.item.option.selected=true;
此._触发器(“选择”,事件{
项目:ui.item.option
});
},
AutoCompleteTechange:“\u RemoveFinValid”
});
},
_createShowAllButton:函数(){
var input=this.input,
wasOpen=false;
$(“建议您创建一个沙盒演示,并解释您正在谈论的元素。对不起。我想在这里设置更改事件更改哪个元素?原始选择?请在问题中提供问题的完整描述
<script>
(function( $ ) {
$.widget( "custom.combobox", {
_create: function() {
this.wrapper = $( "<span>" )
.addClass( "custom-combobox" )
.insertAfter( this.element );
this.element.hide();
this._createAutocomplete();
this._createShowAllButton();
},
_createAutocomplete: function() {
var selected = this.element.children( ":selected" ),
value = selected.val() ? selected.text() : "";
this.input = $( "<input>" )
.appendTo( this.wrapper )
.val( value )
.attr( "title", "" )
.addClass( "custom-combobox-input ui-widget ui-widget-content ui-state-default ui-corner-left" )
.autocomplete({
delay: 0,
minLength: 0,
source: $.proxy( this, "_source" )
})
.tooltip({
tooltipClass: "ui-state-highlight"
});
this._on( this.input, {
autocompleteselect: function( event, ui ) {
ui.item.option.selected = true;
this._trigger( "select", event, {
item: ui.item.option
});
},
autocompletechange: "_removeIfInvalid"
});
},
_createShowAllButton: function() {
var input = this.input,
wasOpen = false;
$( "<a>" )
.attr( "tabIndex", -1 )
.attr( "title", "Show All Items" )
.tooltip()
.appendTo( this.wrapper )
.button({
icons: {
primary: "ui-icon-triangle-1-s"
},
text: false
})
.removeClass( "ui-corner-all" )
.addClass( "custom-combobox-toggle ui-corner-right" )
.mousedown(function() {
wasOpen = input.autocomplete( "widget" ).is( ":visible" );
})
.click(function() {
input.focus();
// Close if already visible
if ( wasOpen ) {
return;
}
// Pass empty string as value to search for, displaying all results
input.autocomplete( "search", "" );
});
},
_source: function( request, response ) {
var matcher = new RegExp( $.ui.autocomplete.escapeRegex(request.term), "i" );
response( this.element.children( "option" ).map(function() {
var text = $( this ).text();
if ( this.value && ( !request.term || matcher.test(text) ) )
return {
label: text,
value: text,
option: this
};
}) );
},
_removeIfInvalid: function( event, ui ) {
// Selected an item, nothing to do
if ( ui.item ) {
return;
}
// Search for a match (case-insensitive)
var value = this.input.val(),
valueLowerCase = value.toLowerCase(),
valid = false;
this.element.children( "option" ).each(function() {
if ( $( this ).text().toLowerCase() === valueLowerCase ) {
this.selected = valid = true;
return false;
}
});
// Found a match, nothing to do
if ( valid ) {
return;
}
// Remove invalid value
this.input
.val( "" )
.attr( "title", value + " didn't match any item" )
.tooltip( "open" );
this.element.val( "" );
this._delay(function() {
this.input.tooltip( "close" ).attr( "title", "" );
}, 2500 );
this.input.autocomplete( "instance" ).term = "";
},
_destroy: function() {
this.wrapper.remove();
this.element.show();
}
});
})( jQuery );
$(function() {
$( ".prodottoAutocomplete" ).combobox();
$( "#toggle" ).click(function() {
$( ".prodottoAutocomplete" ).toggle();
});
});
</script>