Get all classes from html file

var lst=[];
document.querySelectorAll("[class]").forEach( (e)=>{  
e.getAttribute("class").split(" ").forEach( (cls)=>{if( cls.length>0 && lst.indexOf(cls)<0) lst.push(cls);}
);
 });
console.log(lst.sort());

Source: stackoverflow.com

Similar codes

0 vote186 views1 answer
Samu
Html
1 vote181 views1 answer
Uses of div, section and article tag in html
Html
10 votes181 views1 answer
Html entity and
Html
6 votes282 views2 answers
React render string as html
Html
0 vote185 views1 answer
Simbolo checkbox en tabla en html
Html
9 votes185 views5 answers
How to make image a link html
Html
-1 vote194 views2 answers
Wordpress search in custom fields
Html
0 vote150 views1 answer
Bootstrap height
Html
3 votes176 views1 answer
Html input change default error message
Html
0 vote181 views2 answers
Share to google plus html link
Html