The following table provides summary statistics for permanent job vacancies advertised in Rickmansworth 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 27 June 2017 with a comparison to the same period in the previous 2 years.

JavaScript (including ECMAScript)
Hertfordshire / Rickmansworth
3 months to
27 Jun 2017
Same period 2016 Same period 2015
Rank 10 8 27
Rank change year-on-year -2 +19  
Permanent jobs citing JavaScript 3 14 7
As % of all permanent IT jobs advertised in Rickmansworth 9.38% 15.22% 5.11%
As % of the Programming Languages category 37.50% 45.16% 15.56%
Number of salaries quoted 3 14 7
Median salary £37,500 £32,500 £45,000
Median salary % change year-on-year +15.38% -27.77%  
UK excluding London median salary £40,000 £40,000 £39,000
% change year-on-year - +2.56%  

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 Rickmansworth with a requirement for programming language skills.

Programming Language Skills
Rickmansworth
Permanent job vacancies with a requirement for programming language skills 8 31 45
As % of all permanent IT job vacancies advertised in Rickmansworth 25.00% 33.70% 32.85%
Number of salaries quoted 8 29 43
Median salary £45,000 £42,500 £57,500
Median salary % change year-on-year +5.88% -26.08%  
90% offered a salary of more than £37,500 £32,500 £43,500
10% offered a salary of more than £75,000 £65,000 £60,000
UK excluding London median salary £42,500 £41,000 £40,000
% change year-on-year +3.65% +2.50%  

JavaScript
Job Vacancy Trend in Rickmansworth

The job posting trend of jobs advertised in Rickmansworth 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 Rickmansworth

JavaScript
Salary Trend in Rickmansworth

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

Salary trend for JavaScript in Rickmansworth

For the 6 months to 27 June 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 Rickmansworth region with a requirement for JavaScript.

1 12 (85.71%) SQL
2 11 (78.57%) HTML
3 10 (71.43%) C#
3 10 (71.43%) Finance
3 10 (71.43%) Agile Software Development
4 9 (64.29%) Ab Initio
4 9 (64.29%) Continuous Improvement
4 9 (64.29%) Test Planning
4 9 (64.29%) Virtual Team
4 9 (64.29%) Oracle
4 9 (64.29%) PowerBuilder
4 9 (64.29%) Oracle Forms
4 9 (64.29%) Progress 4GL
4 9 (64.29%) Progress
5 6 (42.86%) Data Analysis
6 4 (28.57%) Scrum
6 4 (28.57%) Microsoft
6 4 (28.57%) .NET
7 3 (21.43%) MySQL
7 3 (21.43%) T-SQL
7 3 (21.43%) C++
7 3 (21.43%) Microsoft Office
7 3 (21.43%) PHP
7 3 (21.43%) Project Management
7 3 (21.43%) Microsoft Excel
7 3 (21.43%) Node.js
7 3 (21.43%) Law
7 3 (21.43%) Degree
7 3 (21.43%) Ext JS
7 3 (21.43%) Visual Studio Team System

JavaScript
Co-occurring IT Skills in Rickmansworth 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:

Applications
1 3 (21.43%) Microsoft Excel
1 3 (21.43%) Microsoft Office
Database & Business Intelligence
1 3 (21.43%) MySQL
2 1 (7.14%) SQL Server
Development Applications
1 9 (64.29%) Oracle Forms
1 9 (64.29%) PowerBuilder
2 3 (21.43%) Team Foundation Server
2 3 (21.43%) Visual Studio Team System
3 1 (7.14%) Visual Studio
General
1 10 (71.43%) Finance
2 3 (21.43%) Law
Job Titles
1 13 (92.86%) Developer
2 9 (64.29%) Software Developer
3 3 (21.43%) Applications Developer
3 3 (21.43%) Business Developer
3 3 (21.43%) PHP Developer
4 2 (14.29%) JavaScript Developer
5 1 (7.14%) Technical Leader
Libraries, Frameworks & Software Standards
1 11 (78.57%) HTML
2 4 (28.57%) .NET
3 3 (21.43%) Ext JS
3 3 (21.43%) Node.js
4 2 (14.29%) CSS
4 2 (14.29%) XML
5 1 (7.14%) Apache Camel
5 1 (7.14%) ASP.NET
5 1 (7.14%) Java EE
5 1 (7.14%) Java SE
5 1 (7.14%) jQuery
5 1 (7.14%) Middleware
5 1 (7.14%) RabbitMQ
5 1 (7.14%) Spring
5 1 (7.14%) XSL
Miscellaneous
1 9 (64.29%) Virtual Team
Processes & Methodologies
1 10 (71.43%) Agile Software Development
2 9 (64.29%) Continuous Improvement
2 9 (64.29%) Test Planning
3 6 (42.86%) Data Analysis
4 4 (28.57%) Scrum
5 3 (21.43%) Project Management
6 1 (7.14%) BDD
6 1 (7.14%) Business Process Improvement
6 1 (7.14%) Continuous Integration
6 1 (7.14%) Functional Programming
6 1 (7.14%) High Availability
6 1 (7.14%) Line Management
6 1 (7.14%) OOD
6 1 (7.14%) OOP
6 1 (7.14%) Process Improvement
6 1 (7.14%) TDD
Programming Languages
1 12 (85.71%) SQL
2 10 (71.43%) C#
3 9 (64.29%) Progress 4GL
4 3 (21.43%) C++
4 3 (21.43%) PHP
4 3 (21.43%) T-SQL
5 1 (7.14%) Erlang
5 1 (7.14%) Java
5 1 (7.14%) Perl
5 1 (7.14%) Python
Qualifications
1 3 (21.43%) Degree
Quality Assurance & Compliance
1 1 (7.14%) SLA
Vendors
1 9 (64.29%) Ab Initio
1 9 (64.29%) Oracle
1 9 (64.29%) Progress
2 4 (28.57%) Microsoft
3 1 (7.14%) IBM