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javascript - 尝试使用循环将数组中的所有项目放入文本输入数据列表中

转载 作者:行者123 更新时间:2023-12-02 23:32:18 25 4
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我有一个包含许多服务选项的庞大数组。我希望用户能够输入这些服务名称的一部分,并使用正常输入选择其中之一。由于数组很大,我不想像这样输入每个选项:

<div>
<label>Type the service name:</label>
<input type="text" list="services" />
<datalist id="services">
<option value="service1">
<option value="service2">
<option value="service3">
<option value="service4">
...
<option value="service123">
</datalist>
</div>

所以我尝试使用 JavaScript 来为我做这件事。我试过这个:

JavaScript

<script>
// Services List
var listServices = ["SEADM", "SECAP", "SEFPG", "SEMAN", "SEPAS", "SELIC", "SEINF", "SEGED",
"SEGES", "SEEOR",
"SECON", "SEFIN", "SEIMP", "SECIF", "SETCE", "SECOA", "SEAFI", "SECAC", "SECIN", "SEGEC",
"SEABE",
"SEBEX", "SEBFP", "SEBPP", "SEPFT", "SECAT", "SEADM (DABS)", "SEADM (DEHS)", "SEADN (DCOI)",
"SEMAD",
"SECCO", "SEGPT", "SEITI", "SEGTI", "SEOTI", "SESIE", "SESIF", "SEPRE"
];

var option = ""
for (i = 0; i < listServices.length; i++) {
option += '<option value="' + listServices[i] + '">';

}
$("options").html(option);
</script>

HTML

<div class="form-group">
<label for="sel1">Type the acronym of the Service:</label>
<input class="select-css" type="text" list="services" />
<datalist id="services">
<div id="options">
</div>
</datalist>
</div>

PS:我也尝试过不使用 <div id="options">尝试将其应用于
<datalist id="services">
使用$("services").html(option);

编辑

<!DOCTYPE html>
<html lang="en">

<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
<script>
var listServices = ["SEADM", "SECAP", "SEFPG", "SEMAN", "SEPAS", "SELIC", "SEINF", "SEGED", "SEGES", "SEEOR",
"SECON", "SEFIN", "SEIMP", "SECIF", "SETCE", "SECOA", "SEAFI", "SECAC", "SECIN", "SEGEC", "SEABE",
"SEBEX", "SEBFP", "SEBPP", "SEPFT", "SECAT", "SEADM (DABS)", "SEADM (DEHS)", "SEADN (DCOI)", "SEMAD",
"SECCO", "SEGPT", "SEITI", "SEGTI", "SEOTI", "SESIE", "SESIF", "SEPRE"
];

var option = "";

for (let i = 0; i < listServices.length; i++) {
option += '<option value="' + listServices[i] + '">';
}

document.getElementById("options").innerHTML = option;
</script>
</head>

<body>
<div class="form-group">
<label for="sel1">Type the acronym of the Service:</label>
<input class="select-css" type="text" list="services" />
<datalist id="services">
<div id="options"></div>
</datalist>
</div>
</body>

</html>

最佳答案

您需要正确使用JQuery selector by id就像 $("#options").html(option);

示例:

var listServices = ["SEADM", "SECAP", "SEFPG", "SEMAN", "SEPAS", "SELIC", "SEINF", "SEGED", "SEGES", "SEEOR", "SECON", "SEFIN", "SEIMP", "SECIF", "SETCE", "SECOA", "SEAFI", "SECAC", "SECIN", "SEGEC", "SEABE", "SEBEX", "SEBFP", "SEBPP", "SEPFT", "SECAT", "SEADM (DABS)", "SEADM (DEHS)", "SEADN (DCOI)", "SEMAD", "SECCO", "SEGPT", "SEITI", "SEGTI", "SEOTI", "SESIE", "SESIF", "SEPRE"];

var option = "";

for (let i = 0; i < listServices.length; i++)
{
option += '<option value="' + listServices[i] + '">';
}

$("#options").html(option);
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<div class="form-group">
<label for="sel1">Type the acronym of the Service:</label>
<input class="select-css" type="text" list="services" />
<datalist id="services">
<div id="options"></div>
</datalist>
</div>

如果您想避免 JQuery,您可以使用 getElementById() :

var listServices = ["SEADM", "SECAP", "SEFPG", "SEMAN", "SEPAS", "SELIC", "SEINF", "SEGED", "SEGES", "SEEOR", "SECON", "SEFIN", "SEIMP", "SECIF", "SETCE", "SECOA", "SEAFI", "SECAC", "SECIN", "SEGEC", "SEABE", "SEBEX", "SEBFP", "SEBPP", "SEPFT", "SECAT", "SEADM (DABS)", "SEADM (DEHS)", "SEADN (DCOI)", "SEMAD", "SECCO", "SEGPT", "SEITI", "SEGTI", "SEOTI", "SESIE", "SESIF", "SEPRE"];

var option = "";

for (let i = 0; i < listServices.length; i++)
{
option += '<option value="' + listServices[i] + '">';
}

document.getElementById("options").innerHTML = option;
<div class="form-group">
<label for="sel1">Type the acronym of the Service:</label>
<input class="select-css" type="text" list="services" />
<datalist id="services">
<div id="options"></div>
</datalist>
</div>

关于javascript - 尝试使用循环将数组中的所有项目放入文本输入数据列表中,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/56447382/

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