CODE EXAMPLE FOR HTML

ng build index html not working

Use WampServer for Example and make your file in dist/leanAng in www folder :

change your Package.json 
"start": "http://localhost:80/learnAng/",

run command ng build  --base-href=http://localhost:80/learnAng

change your Html code in index.php exemaple
<base href="http://localhost:80/learnAng/">