Js assignment contains a solution to the problem of single and double quotes
- 2020-03-30 02:09:16
- OfStack
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:
In the JSP page, you need to pass the value to a div through the js code, as follows:
In this way, because lefttree contains both single and double quotation marks, there is an error in matching with the outermost single quotation mark in js, and it becomes:
Solutions:
Escape character "/"
When splicing lefttree in the background, it becomes the following form:
Among them:
The first two "//" s are used to leave a "/" in the page
The third "/" escapes the single quote after it.
In this way, the value of lefttree is:
This lefttree is spelled out from the background, the content is HTML code: such as:
<div class="test" onclick="show('tt1','abc')">
In the JSP page, you need to pass the value to a div through the js code, as follows:
<script type="text/javascript">
window.parent.document.getElementById('mptree').innerHTML='<%=lefttree%>';
<script>
In this way, because lefttree contains both single and double quotation marks, there is an error in matching with the outermost single quotation mark in js, and it becomes:
'<div class="test" onclick="show('tt1','abc')">'
Solutions:
Escape character "/"
When splicing lefttree in the background, it becomes the following form:
<div class="test" onclick="show(///'tt1///',///'abc///')">
Among them:
The first two "//" s are used to leave a "/" in the page
The third "/" escapes the single quote after it.
In this way, the value of lefttree is:
<div class="test" onclick="show(/'tt1/',/'abc/')">