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 28 March 2017 with a comparison to the same period in the previous 2 years.

JavaScript (including ECMAScript)
Hertfordshire / Rickmansworth
3 months to
28 Mar 2017
Same period 2016 Same period 2015
Rank 7 9 9
Rank change year-on-year +2 0  
Permanent jobs citing JavaScript 11 7 12
As % of all permanent IT jobs advertised in Rickmansworth 26.19% 14.89% 19.05%
As % of the Programming Languages category 52.38% 35.00% 24.49%
Number of salaries quoted 11 7 12
Median salary £40,000 £42,500 £34,000
Median salary % change year-on-year -5.88% +25.00%  
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 Rickmansworth with a requirement for programming language skills.

Programming Language Skills
Rickmansworth
Permanent job vacancies with a requirement for programming language skills 21 20 49
As % of all permanent IT job vacancies advertised in Rickmansworth 50.00% 42.55% 77.78%
Number of salaries quoted 21 19 47
Median salary £45,000 £42,500 £35,000
Median salary % change year-on-year +5.88% +21.42%  
90% offered a salary of more than £40,000 £42,500 £33,000
10% offered a salary of more than £75,000 £68,500 £68,500
UK excluding London median salary £41,500 £41,000 £40,000
% change year-on-year +1.21% +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

JavaScript
Salary Histogram in Rickmansworth

The salary distribution of IT jobs citing JavaScript in Rickmansworth over the 3 months to 28 March 2017.

Salary histogram for JavaScript in Rickmansworth

JavaScript
Top 30 Co-occurring IT Skills in Rickmansworth

For the 6 months to 28 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 Rickmansworth region with a requirement for JavaScript.

1 14 (77.78%) SQL
2 9 (50.00%) MySQL
2 9 (50.00%) HTML
3 8 (44.44%) PHP
3 8 (44.44%) Finance
3 8 (44.44%) Agile Software Development
3 8 (44.44%) Degree
4 7 (38.89%) Ext JS
4 7 (38.89%) Node.js
4 7 (38.89%) C#
4 7 (38.89%) Oracle
4 7 (38.89%) T-SQL
4 7 (38.89%) Project Management
5 6 (33.33%) PowerBuilder
5 6 (33.33%) Oracle Forms
5 6 (33.33%) Progress 4GL
5 6 (33.33%) Progress
5 6 (33.33%) Ab Initio
5 6 (33.33%) Data Analysis
5 6 (33.33%) Continuous Improvement
5 6 (33.33%) Test Planning
5 6 (33.33%) Virtual Team
6 5 (27.78%) Law
7 4 (22.22%) CSS
8 3 (16.67%) XML
8 3 (16.67%) jQuery
9 2 (11.11%) Erlang
9 2 (11.11%) Continuous Integration
9 2 (11.11%) BDD
9 2 (11.11%) RabbitMQ

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:

Application Platforms
1 1 (5.56%) CMS
1 1 (5.56%) Tomcat
1 1 (5.56%) WebLogic
1 1 (5.56%) WebSphere
1 1 (5.56%) WebSphere Application Server
1 1 (5.56%) WordPress
Applications
1 2 (11.11%) MS Excel
2 1 (5.56%) MS Office
Communications & Networking
1 1 (5.56%) PuTTY
1 1 (5.56%) SSH
Database & Business Intelligence
1 9 (50.00%) MySQL
2 1 (5.56%) SQL Server
Development Applications
1 6 (33.33%) Oracle Forms
1 6 (33.33%) PowerBuilder
2 1 (5.56%) Selenium
2 1 (5.56%) Visual Studio
General
1 8 (44.44%) Finance
2 5 (27.78%) Law
Job Titles
1 15 (83.33%) Developer
2 7 (38.89%) PHP Developer
3 6 (33.33%) Software Developer
4 2 (11.11%) JavaScript Developer
4 2 (11.11%) Technical Leader
5 1 (5.56%) Analyst
5 1 (5.56%) Environment Analyst
5 1 (5.56%) Environment Support Analyst
5 1 (5.56%) Support Analyst
5 1 (5.56%) Trainee
5 1 (5.56%) Trainee Analyst
5 1 (5.56%) Trainee Support Analyst
5 1 (5.56%) WordPress Developer
Libraries, Frameworks & Software Standards
1 9 (50.00%) HTML
2 7 (38.89%) Ext JS
2 7 (38.89%) Node.js
3 4 (22.22%) CSS
4 3 (16.67%) jQuery
4 3 (16.67%) XML
5 2 (11.11%) Apache Camel
5 2 (11.11%) Java EE
5 2 (11.11%) Java SE
5 2 (11.11%) Middleware
5 2 (11.11%) RabbitMQ
5 2 (11.11%) Spring
6 1 (5.56%) .NET
6 1 (5.56%) ASP.NET
6 1 (5.56%) XSL
Miscellaneous
1 6 (33.33%) Virtual Team
Operating Systems
1 1 (5.56%) Linux
1 1 (5.56%) Unix
1 1 (5.56%) Windows
Processes & Methodologies
1 8 (44.44%) Agile Software Development
2 7 (38.89%) Project Management
3 6 (33.33%) Continuous Improvement
3 6 (33.33%) Data Analysis
3 6 (33.33%) Test Planning
4 2 (11.11%) BDD
4 2 (11.11%) Continuous Integration
4 2 (11.11%) Functional Programming
4 2 (11.11%) High Availability
4 2 (11.11%) OOD
4 2 (11.11%) OOP
4 2 (11.11%) Scrum
4 2 (11.11%) Software Testing
4 2 (11.11%) TDD
5 1 (5.56%) Business Process Improvement
5 1 (5.56%) Line Management
5 1 (5.56%) Mathematics
5 1 (5.56%) Physics
5 1 (5.56%) Process Improvement
5 1 (5.56%) Smoke Testing
Programming Languages
1 14 (77.78%) SQL
2 8 (44.44%) PHP
3 7 (38.89%) C#
3 7 (38.89%) T-SQL
4 6 (33.33%) Progress 4GL
5 2 (11.11%) Erlang
5 2 (11.11%) Java
5 2 (11.11%) Perl
5 2 (11.11%) Python
Qualifications
1 8 (44.44%) Degree
Quality Assurance & Compliance
1 1 (5.56%) SLA
Vendors
1 7 (38.89%) Oracle
2 6 (33.33%) Ab Initio
2 6 (33.33%) Progress
3 2 (11.11%) IBM
3 2 (11.11%) Microsoft