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LU05.S14 - v-show and v-if combined
Hints
- Download the file and copy the content into the code area of the W3School on the left hand side of the coding window.
- You can execute the code by pressing the run button
- The result will be presented in the right hand side of the window.
Assignment
This assignment consists of using both, the v-if and the v-show, and comparing the html-dom reaktion.
- Click the link above to the code-exambpe to get to the W3School-TryOut area.
- Save the code with a suitable name, such as LU05.S14.html.
- Have it run by clicking the run-button.
- Just after the div-tag create a paragraph and move the current text in it (This text can be hidden).
- Move the v-show from div-tag into the paragraph-tag.
- Change the variable in the script-area from showDiv to showText.
- Add another paragraph-tag a attribute v-if.
- The corresponding variable in the script-area for the v-if is called showImage which can also contain the values true and false.
- Now we can seperately control the visibility of the text and image ressource.
- Try out all four values for the showText and showImage. Possible combination of values are
- true / true
- true / false
- false / true
- false / false
- Note the result as a html-comment und beobachten Sie die Reaktion der Applikation.
- Save your result, you may need it as a exam-preparation.