How to solve expected expression ,got end of script in jquery

The issue is you are not passing the filepath variable properly. Currently when its passed to the function onDisp it would be considered as a variable and then it would through an expression error as the data passed is not in correct format.

So, lets say your file path is like:

var filepath = 'C://Test/image.jpj'

but it would be passed as

<p><a href="javascript:onDisp(C://Test/image.jpj)">asasa</a></p>

since the proper qoutes to the filepath variable is not provided.

So, you can resolve it like:-

cont += '<p><a href="javascript:onDisp(\''+filepath+ '\')">' + DocHeader + '</a></p>';

Then you can test it inside the onDisp like:

function onDisp(filepath){
    alert(filepath);

    // your code goes here
}

This will display correct output now.