How to solve the problem of adding single quotation marks and double quotation marks in js assignment _ javascript skills

This article mainly introduces how to solve the problem of adding single quotation marks and double quotation marks to js values. For more information, see my jsp page, which contains a parameter: lefttree,

This lefttree is spelled out from the background and contains html code: for example:

The Code is as follows:

On the jsp page, you need to pay this value to a p using the js Code, as shown below:

The Code is as follows: