1$('.img1 img').attr('src');

1$('img').attr(src);

1$('#imageContainerId').prop('src')
2

1readTextFile("file:///C:/your/path/to/file.txt");
2
3function readTextFile(file)
4{
5    var rawFile = new XMLHttpRequest();
6    rawFile.open("GET", file, false);
7    rawFile.onreadystatechange = function ()
8    {
9        if(rawFile.readyState === 4)
10        {
11            if(rawFile.status === 200 || rawFile.status == 0)
12            {
13                var allText = rawFile.responseText;
14                alert(allText);
15            }
16        }
17    }
18    rawFile.send(null);
19}