1
<!DOCTYPE html>
<html>
<head>
<title>Page Title</title>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.1/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/handlebars.js/2.0.0/handlebars.js"></script>
</head>
<body>
<!--This is our template. -->
<!--Data will be inserted in its according place, replacing the brackets.-->
<script id="t" type="text/x-handlebars">
{{#each_when profile "gender" "male"}}
{{ID}}. {{from}} {{gender}}<br>
{{/each_when}}
</script>
<!--Your new content will be displayed in here-->
<div class="content-placeholder"></div>
<script>
var json = {
"profile": [
{ "ID": 1, "gender": "male", "from": "Olivia" },
{ "ID": 2, "gender": "male", "from": "Meagen" },
{ "ID": 3, "gender": "female, male", "from": "Aaron" },
{ "ID": 4, "gender": "female", "from": "Aaron" }
]
};
Handlebars.registerHelper('each_when', function(list, k, v, opts) {
console.log(arguments);
var i, result = '';
for(i = 0; i < list.length; ++i)
if(list[i][k] == v)
result = result + opts.fn(list[i]);
return result;
});
var t = Handlebars.compile($('#t').html());
$('body').append(t(json));
</script>
</body>
</html>
上述代碼的結果是:
1. Olivia male
2. Meagen male
但我想以下:
1. Olivia male
2. Meagen male
3. Aaron male
我被一個屬性過濾對象的數組和該屬性是一個可以包含多個值的字符串。
有沒有人可以告訴我爲什麼3. Aaron male
沒有出現?
感謝'76484'您的回覆。但是你的代碼不工作。 –
@RehaanKkhaan:當我編寫解決方案時,我更改了一些變量名稱。我已經將它們改回原來的'k'和'v'。有關工作示例,請參閱https://jsfiddle.net/zxm7x9sy/。 – 76484