javascript - 找不到jquery输入自动完成功能

Question

我正在尝试实现我在堆栈溢出时发现的自动完成功能 jQuery UI AutoComplete: Only allow selected valued from suggested list

这是我正在使用的 jquery

<script src="//ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"></script>

这是我的实现

<div id="ServiceProvider">
<h3 style="background-color:#EA6A20 ;"><b>Please enter the name of the HR representative who provided service to you</b> </h3>
<input autocomplete="on" type="text" name="HRName"  id="HRName" value=""></br></br>


<script>
var validOptions = ["First Last", "First1 Last1", "First2 Last2"]
previousValue = "";

$('#HRName').autocomplete({
    autoFocus: true,
    source: validOptions
}).keyup(function() {
    var isValid = false;
    for (i in validOptions) {
        if (validOptions[i].toLowerCase().match(this.value.toLowerCase())) {
            isValid = true;
        }
    }
    if (!isValid) {
        this.value = previousValue
    } else {
        previousValue = this.value;
    }
});

</script>
</div>

我得到的错误是

Uncaught TypeError: Object [object Object] has no method 'autocomplete' Customer_Survery.php:266
(anonymous function) Customer_Survery.php:266

感谢帮助

Answer 1

加载 jquery 库后需要像这样包含库:

<script src="http://code.jquery.com/ui/1.10.3/jquery-ui.js"></script>

一个建议是将它包装在 document.ready()

中

<script>
$(document).ready(function(){
  var validOptions = ["First Last", "First1 Last1", "First2 Last2"]
  previousValue = "";

  $('#HRName').autocomplete({
    autoFocus: true,
    source: validOptions
  }).keyup(function() {
    var isValid = false;
    for (i in validOptions) {
        if (validOptions[i].toLowerCase().match(this.value.toLowerCase())) {
            isValid = true;
        }
    }
    if (!isValid) {
        this.value = previousValue
    } else {
        previousValue = this.value;
    }
  });
});

</script>