JS in art-template template filters

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This link: https://blog.csdn.net/PrisonersDilemma/article/details/90230222

html has one characteristic: some will become infinite decimals decimals.
For example 1.05, it may appear as 1.049999999999 ......

May be used in javascript .toFixed (value); or the like, rounded off, to retain fixed decimal places.

However, art-template template rendering does not support the use of the direct method in the template.
Then you need to use the filter art-template templates.
grammar:

	<!--HTML-->
	<script type="text/html" id="template">
		{{date|过滤器名称}}
	</script>

	template.defaults.imports.过滤器名称 = function(date){
	    处理内容
	    return 处理结果
	};

For chestnut:

	<div class="box"></div>
	<script type="text/html" id="template">
		<div class="total-price">
			{{list.unit-price*list.num|format}} 元
		</div>
	</script>

	render(data){
		// art-template过滤器
		template.defaults.imports.format = function(n){
			return n.toFixed(2);
		};
		// art-template模板渲染
		$(".box").html(template('template',{list:data}));
	}

FIG Effect:
original:

using a filter:

Note that the filter must have a return value.
And filters as well as other formulations.