在JavaScript中，对字符串使用任何单引号或双引号。但是，无论选择什么，都应保持一致。JavaScript中的单引号和双引号相同-
"Let us say: \"Life's good!\"" 'Let us say: "Life\'s good!"' “Let us say: \"Life\'s good!\"" 'Let us say: \"Life\'s good!\"'
让我们看一个示例，ES6支持它-
`Will you be "my" friend. I really liked it when I was a kid,.`;