W3.JS uslub qo‘shish
CSS xususiyati qiymatini qo‘shish:
w3.addStyle(selector,'property','value')
Id bo‘yicha uslub qo‘shish
id="London" bo‘lgan elementga qizil fon rangini qo‘shish:
Misol
<button onclick="w3.addStyle('#London','background-color','red')">Add Style</button>
Teg bo‘yicha uslub qo‘shish
Barcha <h2> elementlariga qizil fon rangini qo‘shish:
Misol
<button onclick="w3.addStyle('h2','background-color','red')">Add Style</button>
Klass bo‘yicha uslub qo‘shish
class="city" bo‘lgan barcha elementlarga qizil fon rangini qo‘shish:
Misol
<button onclick="w3.addStyle('.city','background-color','red')">Add Style</button>
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