The solution to the problem of JS assignment including single quotation mark double quotation mark

This article mainly introduced the JS assignment contains the single quotation mark double quotation mark question solution method, needs the friend to be possible to refer to under

My page is a JSP page, which contains a parameter: Lefttree, this lefttree is spelled out from the background, the content is HTML code: such as: The Code is as follows: <div class= "Test onclick=" show (' Tt1 ', ' abc ')  > in the JSP page, you need to use the JS code to pay this value to a div, as follows: The code is as follows: <script type= "Text/javascript" >  Window.parent.document.getElementById (' Mptree '). innerhtml= ' <%=lefttree%> '; <script> So, because the lefttree contains both single and double quotes, and the outermost single quotation mark when assigned in JS, the matching error occurs: The code is as follows: ' <div class= ' test ' onclick= ' Show (' TT1 ', abc ' > Workaround: When stitching lefttree in the background with the escape character "/", it becomes the following: The code is as follows: <div class= "Test" onclick= "Show (///' tt1///',//    /' abc///' > wherein: The first two "//" is used to keep the next "/" third "/" in the page to escape the following single quotes. So in the Web page, the Lefttree value is: Code as follows: <div class= "Test" onclick= "Show (/' tt1/',/' abc/')" >