The following table provides summary statistics for permanent job vacancies advertised in Borehamwood with a requirement for JavaScript skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited JavaScript over the 3 months to 29 March 2017 with a comparison to the same period in the previous 2 years.

JavaScript (including ECMAScript)
Hertfordshire / Borehamwood
3 months to
29 Mar 2017
Same period 2016 Same period 2015
Rank 14 26 5
Rank change year-on-year +12 -21  
Permanent jobs citing JavaScript 12 1 15
As % of all permanent IT jobs advertised in Borehamwood 17.91% 1.10% 31.91%
As % of the Programming Languages category 21.82% 2.50% 50.00%
Number of salaries quoted 12 1 15
Median salary £40,000 £27,500 £50,000
Median salary % change year-on-year +45.45% -45.00%  
UK excluding London median salary £40,000 £40,000 £38,500
% change year-on-year - +3.89%  

JavaScript is in the programming language skills category. The next table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in Borehamwood with a requirement for programming language skills.

Programming Language Skills
Borehamwood
Permanent job vacancies with a requirement for programming language skills 55 40 30
As % of all permanent IT job vacancies advertised in Borehamwood 82.09% 43.96% 63.83%
Number of salaries quoted 55 28 28
Median salary £40,000 £31,500 £46,000
Median salary % change year-on-year +26.98% -31.52%  
90% offered a salary of more than £32,850 £30,000 £27,500
10% offered a salary of more than £50,000 £50,000 £33,000
UK excluding London median salary £41,000 £41,000 £40,000
% change year-on-year - +2.50%  

JavaScript
Job Vacancy Trend in Borehamwood

The job posting trend of jobs advertised in Borehamwood citing JavaScript as a proportion of all permanent or contract IT jobs with a match in the Programming Languages category.

Job vacancy trend for JavaScript in Borehamwood

JavaScript
Salary Trend in Borehamwood

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing JavaScript in Borehamwood.

Salary trend for JavaScript in Borehamwood

For the 6 months to 29 March 2017, IT jobs citing JavaScript also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the Borehamwood region with a requirement for JavaScript.

1 26 (100.00%) HTML
1 26 (100.00%) CSS
1 26 (100.00%) Software Engineering
1 26 (100.00%) Web Development
1 26 (100.00%) Degree
1 26 (100.00%) Computer Science
1 26 (100.00%) Node.js
2 24 (92.31%) Front End Development
3 18 (69.23%) AngularJS
4 17 (65.38%) Telecoms
4 17 (65.38%) C++
5 16 (61.54%) C#
5 16 (61.54%) Java
5 16 (61.54%) OO
5 16 (61.54%) PhD
5 16 (61.54%) ZeroMQ
5 16 (61.54%) Visualisation
5 16 (61.54%) Physics
5 16 (61.54%) Data Visualisation
6 13 (50.00%) JSON
6 13 (50.00%) Ajax
7 10 (38.46%) Agile Software Development
7 10 (38.46%) OOD
7 10 (38.46%) Games
7 10 (38.46%) PHP
8 9 (34.62%) Game Development
8 9 (34.62%) Fintech
9 3 (11.54%) Data Acquisition
9 3 (11.54%) LabVIEW
10 1 (3.85%) Visual Studio

JavaScript
Co-occurring IT Skills in Borehamwood by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Development Applications
1 3 (11.54%) LabVIEW
2 1 (3.85%) Visual Studio
General
1 17 (65.38%) Telecoms
2 10 (38.46%) Games
Job Titles
1 26 (100.00%) Developer
2 21 (80.77%) Web Developer
3 14 (53.85%) Front End Developer (Client-Side Developer)
4 11 (42.31%) Front End Web Developer (Client-Side Developer)
4 11 (42.31%) JavaScript Developer
5 9 (34.62%) HTML CSS Developer
5 9 (34.62%) HTML Developer
6 3 (11.54%) UI Developer
7 2 (7.69%) Node.js Developer
8 1 (3.85%) Senior Developer
8 1 (3.85%) Senior Web Developer
Libraries, Frameworks & Software Standards
1 26 (100.00%) CSS
1 26 (100.00%) HTML
1 26 (100.00%) Node.js
2 18 (69.23%) AngularJS
3 16 (61.54%) ZeroMQ
4 13 (50.00%) Ajax
4 13 (50.00%) JSON
Miscellaneous
1 26 (100.00%) Computer Science
2 9 (34.62%) Fintech
Operating Systems
1 1 (3.85%) Linux
1 1 (3.85%) Windows
Processes & Methodologies
1 26 (100.00%) Software Engineering
1 26 (100.00%) Web Development
2 24 (92.31%) Front End Development
3 16 (61.54%) Data Visualisation
3 16 (61.54%) OO
3 16 (61.54%) Physics
3 16 (61.54%) Visualisation
4 10 (38.46%) Agile Software Development
4 10 (38.46%) OOD
5 9 (34.62%) Game Development
6 3 (11.54%) Data Acquisition
Programming Languages
1 17 (65.38%) C++
2 16 (61.54%) C#
2 16 (61.54%) Java
3 10 (38.46%) PHP
Qualifications
1 26 (100.00%) Degree
2 16 (61.54%) PhD