Your SlideShare is downloading. ×
0
Les 2 Javascript
Les 2 Javascript
Les 2 Javascript
Les 2 Javascript
Les 2 Javascript
Les 2 Javascript
Les 2 Javascript
Les 2 Javascript
Les 2 Javascript
Les 2 Javascript
Les 2 Javascript
Les 2 Javascript
Les 2 Javascript
Les 2 Javascript
Upcoming SlideShare
Loading in...5
×

Thanks for flagging this SlideShare!

Oops! An error has occurred.

×
Saving this for later? Get the SlideShare app to save on your phone or tablet. Read anywhere, anytime – even offline.
Text the download link to your phone
Standard text messaging rates apply

Les 2 Javascript

214

Published on

0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total Views
214
On Slideshare
0
From Embeds
0
Number of Embeds
0
Actions
Shares
0
Downloads
5
Comments
0
Likes
0
Embeds 0
No embeds

Report content
Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

Cancel
No notes for slide

Transcript

  • 1. Javascript 2<br />IF-Else / Switch / PopUp / Functions<br />
  • 2. IF - Else<br /><ul><li>if statement- use this statement to execute some code only if a specified condition is true
  • 3. if...else statement- use this statement to execute some code if the condition is true and another code if the condition is false
  • 4. if...else if....else statement- use this statement to select one of many blocks of code to be executed</li></ul>if (time < 12)<br /> {<br />document.write("Goede Morgen");<br /> }<br />else<br /> {<br />document.write("Goede Middag");<br /> }<br />
  • 5. IF - Else<br />
  • 6. IF - Else<br />
  • 7. Switch<br />switch(n){case 1:  execute code block 1  break;case 2:  execute code block 2  break;default:  code to be executed if n is different from case 1 and 2}<br />
  • 8. Switch<br />
  • 9. Pop-Up<br />Alert<br />alert(“tekst");<br />
  • 10. Pop-Up<br />Confirm<br />
  • 11. Pop-Up<br />Prompt<br />prompt(“text","defaultvalue");<br />
  • 12. Functions<br />functionfunctionname(var1,var2,...,varX){some code}<br />The parameters var1, var2, etc. are variables or values passed into the function. The { and the } defines the start and end of the function.<br />Note: A function with no parameters must include the parentheses () after the function name.<br />Note: Do not forget about the importance of capitals in JavaScript! The word function must be written in lowercase letters, otherwise a JavaScript error occurs! Also note that you must call a function with the exact same capitals as in the function name.<br />
  • 13. Functions<br />Return<br />
  • 14. Functions<br />Browserdetectie<br />
  • 15. Functions<br />Browserdetectie 2<br />
  • 16. Opdracht !<br />Experimenteren met de code !<br />

×