slice

只傳入一個(gè)參數(shù)時(shí)將返回此參數(shù)作為下標(biāo)所對(duì)應(yīng)的單個(gè)字符。第二個(gè)參數(shù)是可選的，用于指定返回的子字符串的長度。

String indices are numbered starting from 0.

輸入

{{ "Liquid" | slice: 0 }}

輸出

L

輸入

{{ "Liquid" | slice: 2 }}

輸出

q

輸入

{{ "Liquid" | slice: 2, 5 }}

輸出

quid

If the first parameter is a negative number, the indices are counted from the end of the string:

輸入

{{ "Liquid" | slice: -3, 2 }}

輸出

ui