Category Archives: Javascript & html

Nested HTML Table

One way to write a nested html table is to use the colspan and rowpsan attributes and here is a demo¬†from my gist, which produce the following table.   Advertisements

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JQuery Moves Table Rows

JQuery can be used to easily relocate table rows. This post shows two of the manipulations: (1) Move a row to one row up or down, and (2) Move a row to another arbitrary position. This demo is illustrated by … Continue reading

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One AJAX Pitfall Demoed with jQuery Mockjax

This blog briefly outlines one Ajax pitfall that can lead to inconsistency between user input and the rendered ajax response. I encountered this problem when developing a network management application where user can click a network node from browser then … Continue reading

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Javascript for in Loop Enumeration Order

Problem When enumerating the properties of an object, ECMAScript specs doesn’t provide an explicit order. Instead it says the order is implementation dependent. Therefore the following code could result in different output from different browsers. Most of the browsers today … Continue reading

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Example of Replacing Google Maps with OpenStreetMap

http://doublemap.github.io/blog/2014/04/29/porting-600k-map-views-to-openstreetmap/

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Web Timeseries Data Rendering Technology Investigation

Today I am looking for a technology replacement for one of my old projects that dynamically displays timeline and other time series data on web page in near realtime fashion based on constantly changing data source. The old implementation is … Continue reading

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