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09 - Dev Tools Domination Expand file tree Collapse file tree 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 > Console Tricks!</ title >
6+ </ head >
7+ < body >
8+
9+ < p onClick ="makeGreen() "> ×BREAK×DOWN×</ p >
10+
11+ < script >
12+ const dogs = [ { name : 'Snickers' , age : 2 } , { name : 'hugo' , age : 8 } ] ;
13+
14+ function makeGreen ( ) {
15+ const p = document . querySelector ( 'p' ) ;
16+ p . style . color = '#BADA55' ;
17+ p . style . fontSize = '50px' ;
18+ }
19+
20+ // Regular
21+ console . log ( 'hello' ) ;
22+
23+ // Interpolated
24+ console . log ( 'Hello I am a %s string!' , 'interpolated' ) ;
25+
26+ // Styled
27+ console . log ( '%c I am some great text' , 'font-size:50px; background:red' )
28+
29+ // warning!
30+ console . warn ( 'ohhhh noooo' ) ;
31+
32+ // Error :|
33+ console . error ( 'Shit!' ) ;
34+
35+ // Info
36+ console . info ( 'info message.' ) ;
37+
38+ // Testing
39+ console . assert ( 1 === 2 , 'you messed up!' ) ;
40+
41+ // clearing
42+ // console.clear();
43+
44+ // Viewing DOM Elements
45+ const p = document . querySelector ( 'p' ) ;
46+ console . dir ( p ) ;
47+
48+ // Grouping together
49+ dogs . forEach ( dog => {
50+ console . groupCollapsed ( `${ dog . name } ` ) ;
51+ console . log ( `This is ${ dog . name } ` ) ;
52+ console . log ( `${ dog . name } is ${ dog . age } years old` ) ;
53+ console . groupEnd ( `${ dog . name } ` ) ;
54+ } ) ;
55+
56+ // counting
57+ console . count ( 'test' ) ;
58+ console . count ( 'test' ) ;
59+
60+ // timing
61+ console . time ( 'fetching data' ) ;
62+ fetch ( 'https://api.github.com/users/mattmorganpdx' )
63+ . then ( data => data . json ( ) )
64+ . then ( data => {
65+ console . timeEnd ( 'fetching data' ) ;
66+ console . log ( data ) ;
67+ } )
68+
69+ console . table ( dogs ) ;
70+
71+ </ script >
72+ </ body >
73+ </ html >
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