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Expand file tree Collapse file tree Original file line number Diff line number Diff line change 1+ let $counter = document . getElementById ( 'counter' ) ;
2+ let $windowWidth = document . getElementById ( 'windowWidth' ) ;
3+ let $comments = document . getElementById ( 'comments' ) ;
4+
5+ // console.dir(window);
6+
7+ function windowWidth ( ) {
8+ // console.log(window.outerWidth);
9+ $windowWidth . innerHTML = window . outerWidth + 'px' ;
10+ }
11+ function walkerWalks ( ) {
12+ window . location . href = 'http://walker-walks.com' ;
13+ }
14+
15+ // window.document = document
16+ function countUp ( ) {
17+ let c = $counter . innerHTML ;
18+ c ++ ;
19+ $counter . innerHTML = c ;
20+ }
21+
22+
23+ function addComment ( ) {
24+ let greet = document . createElement ( 'p' ) ;
25+ let msg = document . createTextNode ( 'Hello' ) ;
26+
27+ $comment . appendChild ( greet ) . appendChild ( msg ) ;
28+ }
Original file line number Diff line number Diff line change 1+ <!DOCTYPE html>
2+ < html lang ="en ">
3+ < head >
4+ < meta charset ="UTF-8 ">
5+ < title > Learning JavaScript - Walker</ title >
6+ < link rel ="stylesheet " href ="style.css ">
7+ </ head >
8+ < body >
9+ < h1 > DOM(Document Object Model)</ h1 >
10+ < p >
11+ Interface(a way to access) to HTML for JavaScript. < br >
12+ To Control Properties/Methods/Events
13+ </ p >
14+ < p >
15+ < button onclick ="windowWidth(); "> Window Width</ button > : < span id ="windowWidth "> ?</ span > < br >
16+ </ p >
17+ < p >
18+ Count: < span id ="counter "> 0</ span >
19+ < button onclick ="countUp(); "> add</ button >
20+ </ p >
21+ < p id ="comments ">
22+ < button onclick ="addComments "> Add Commnets</ button >
23+ </ p >
24+ < button onclick ="walkerWalks(); "> visit Walker Walks</ button > < br >
25+
26+
27+ < script src ="app.js "> </ script >
28+ </ body >
29+ </ html >
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