如何使用javascript将变量放入字符串中 [英] How do I put a variable in a string using javascript

问题描述

如何在 JavaScript 中将变量放入字符串中?

How do I put a variable in a string in JavaScript?

示例:

$('#contactForm').animate({"marginLeft": "+=680px"}, "slow");

我想在变量中使用而不是 680px，有没有办法做到这一点?

I would like to use in a variable instead of 680px, is there a way to do this?

推荐答案

与大多数没有信号的语言一样，您无法执行插值，您必须连接多个字符串.

As with most languages that don't have sigals, you can't perform interpolation, you have to concatenate multiple strings.

"foo" + "bar" + "baz"
"foo" + string_var + "baz"
"+=" + string_var + "px"

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