請解決這個問題： 我在外部JS JSON格式數組：（NOT阿賈克斯（JSON）請求）jQuery的自動完成
var data = [{"Id": 0,"City": "Chicago"},{"Id": 1,"City": "New York"},...]
我需要創建jQuery的自動完成表單箭頭 。也許它會是： 選擇 芝加哥（來自外部JS） 紐約 /select， 或textarea，輸入。有一件事是需要：箭頭將是可見的，因爲用戶可以用鼠標選擇元素。 如何將數組附加到html頁面？
圖片
這示出了包含在輸入單詞的所有物品。檢查這個fiddle。可以幫助。
var data = [{"Id": 0,"City": "Chicago"},
{"Id": 1,"City": "New York"},
{"Id": 2,"City": "Aew York1"},
{"Id": 3,"City": "Bew York2"}]
$.each(data,function(i,item){
var $option=$('<option>',{val:item.Id,text:item.City});
$('#tags').append($option);
})
$.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({
classes: {
"ui-tooltip": "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;
$("<a>")
.attr("tabIndex", -1)
.attr("title", "Show All Items")
.tooltip()
.appendTo(this.wrapper)
.button({
icons: {
primary: "ui-icon-triangle-1-s"
},
text: false
})
.removeClass("ui-corner-all")
.addClass("custom-combobox-toggle ui-corner-right")
.on("mousedown", function() {
wasOpen = input.autocomplete("widget").is(":visible");
})
.on("click", function() {
input.trigger("focus");
// Close if already visible
if (wasOpen) {
return;
}
// Pass empty string as value to search for, displaying all results
input.autocomplete("search", "");
});
},
_source: function(request, response) {
var matcher = new RegExp($.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();
}
});
$("#tags").combobox();.custom-combobox {
position: relative;
display: inline-block;
}
.custom-combobox-toggle {
position: absolute;
top: 0;
bottom: 0;
margin-left: -1px;
padding: 0;
}
.custom-combobox-input {
margin: 0;
padding: 5px 10px;
}<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<link rel="stylesheet" href="https://ajax.googleapis.com/ajax/libs/jqueryui/1.12.1/themes/smoothness/jquery-ui.css">
<script src="https://ajax.googleapis.com/ajax/libs/jqueryui/1.12.1/jquery-ui.min.js"></script>
<div>
<label for="tags">Tags: </label>
<select id="tags"></select>
</div>
所以你問如何獲得JSON數據轉換成HTML''
可能的重複[如何使用JSON數據來填充選擇框的選項？]（http://stackoverflow.com/questions/5918144/how-can-i-use-json-data-to-populate-選項框選項） – mhodges
http://stackoverflow.com/questions/16442422/jquery-populate-select-from-json – mhodges