How to generate alt and title for an image?

Question

Search Engine Optimization

On each page of the site (online store) there is a product name in H1
How to generate alt and title for short images will be like H1 on the page?

Answer 1

It all depends on the CMS. What is used?
Basic knowledge of php is required.

Answer 2

Something like that:

var alt = $("h1").text();
    		$.each($('img'), function(){
    			if ($(this).attr("alt").length == 0) {
    		   		$(this).attr("alt",alt);
    		   	}
    		   	if ($(this).attr("title").length == 0) {
    		   		$(this).attr("title",alt);
    		   	}
    		});

Answer 3

Maybe the SEO Friendly Images plugin will do . According to the description, it does what it's supposed to do.