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Webtags as boolean operators in HTML: Difference between revisions
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Webtags as boolean operators in HTML (view source)
Revision as of 16:00, 2 November 2018
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<th><img src="led_blue<#LowMaxTempRecordSet>.png" alt="O" />Lowest Daily Maximum</th> | <th><img src="led_blue<#LowMaxTempRecordSet>.png" alt="O" />Lowest Daily Maximum</th> | ||
<th><img src="led_red<#HighTempRangeRecordSet>.png" alt="O" >Largest Daily Range</th> | <th><img src="led_red<#HighTempRangeRecordSet>.png" alt="O" >Largest Daily Range</th> | ||
(again inclusion/exclusion of the slash at the end of the img element varies between HTML versions, both variants acceptable to HTML5 are shown here) | (again inclusion/exclusion of the space and slash at the end of the img element varies between HTML versions, both variants acceptable to HTML5 are shown here) | ||
== Current Weather Conditions == | == Current Weather Conditions == | ||
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} | } | ||
and it is then instructed not to show the table row. | and it is then instructed not to show the table row. | ||
Conversely, if current weather has been input, the browser will look at each word and try to find a matching class, assuming it fails to match any, it will take the default action of displaying the table row. See [[ | Conversely, if current weather has been input, the browser will look at each word and try to find a matching class, assuming it fails to match any, it will take the default action of displaying the table row. See [[https://cumulus.hosiene.co.uk/viewtopic.php?f=14&t=9985&sid=f7ba680a73fbeccc0c18523515fac384| forum]] for more information. | ||
== Rising/Falling == | == Rising/Falling == | ||
[[Webtags#Current_Conditions | <#temptrendenglish> and <#presstrendenglish> contain one of a few predefined values. They can be treated as boolean for a modification of say [[Customised_templates | indexT.htm]] because the HTML can | [[Webtags#Current_Conditions | <#temptrendenglish> and <#presstrendenglish>]] contain one of a few predefined values. They can be treated as boolean for a modification of say [[Customised_templates | indexT.htm]] because the HTML can select a different image for each of the pre-defined values (steady, falling, rising), suitable images for '''<#presstrendenglish>.gif''' are in the folder ''webfiles\dbimages'' and include '''Falling.gif'''. They could be used to select different CSS files so giving the whole web page a look that varies for the different predefined trend values. | ||
The images mentioned are already used by the javascript associated with the standard gaugesT.htm, but explaining scripting is outside the scope of an article concentrating on HTML. | |||
== Changing the whole web page == | == Changing the whole web page == | ||
