prepend
在一個(gè)字符串前面附加另一個(gè)字符串。
輸入
{{ "apples, oranges, and bananas" | prepend: "Some fruit: " }}
輸出
Some fruit: apples, oranges, and bananas
prepend?也能作用于變量：
輸入
{% assign url = "example.com" %}
{{ "/index.html" | prepend: url }}
輸出
example.com/index.html