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Basic Javascript.
This is a discussion on Basic Javascript., within the Javascript section. This forum and the thread "Basic Javascript." are both part of the Programming Your Website category.
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Apr 3 2008, 05:05 AM
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#1
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Master of the Universe ![]() ![]() ![]() ![]() ![]() ![]() Group: Advisors Posts: 1,157 Joined: 15-February 08 From: London, England Member No.: 141 |
I know how to do switch statements and write to the document.
How do I gather the information from a drop box? I want to print a number depending on what option is selected. I also plan to use this for some dynamic form helpers. So.. How do I gather the option from a select box? How do I tell if a user has selected an input box? How do I tell if the user has filled in an input box? -------------------- |
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Apr 3 2008, 05:54 AM
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#2
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![]() Rapid Squeezer ![]() ![]() ![]() ![]() Group: Advisors Posts: 178 Joined: 14-February 08 From: Willich, Germany Member No.: 56 |
1: When you create the options for a select box you give each one a value:
CODE <option value="1">one</option> Then you can find out which option is selected like so: CODE var select_box_value=document.getElementById('select_box_id').value; 2: Well, not sure if this is the best solution, but you could set a global variable to "true" or "false" in the onblur() and onfocus() events of an input. 3:About the same as above, you can check the "value" property: CODE var input_value=document.getElementById('input_id').value;
-------------------- www.c010depunkk.com ~ the hangout of a web developer
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Apr 3 2008, 05:57 AM
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#3
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Master of the Universe ![]() ![]() ![]() ![]() ![]() ![]() Group: Advisors Posts: 1,157 Joined: 15-February 08 From: London, England Member No.: 141 |
Thanks a lot, that should be enough to get me going.
I'll post back here if I get stuck. -------------------- |
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Apr 3 2008, 05:05 AM








