The following table provides summary statistics for permanent job vacancies advertised in Harpenden 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 24 June 2017 with a comparison to the same period in the previous 2 years.

JavaScript (including ECMAScript)
Hertfordshire / Harpenden
3 months to
24 Jun 2017
Same period 2016 Same period 2015
Rank 14 10 -
Rank change year-on-year -4 -  
Permanent jobs citing JavaScript 1 5 0
As % of all permanent IT jobs advertised in Harpenden 4.76% 20.83% -
As % of the Programming Languages category 5.56% 23.81% -
Number of salaries quoted 1 5 0
Median salary £37,500 £60,000 -
Median salary % change year-on-year -37.50% -  
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 Harpenden with a requirement for programming language skills.

Programming Language Skills
Harpenden
Permanent job vacancies with a requirement for programming language skills 18 21 6
As % of all permanent IT job vacancies advertised in Harpenden 85.71% 87.50% 85.71%
Number of salaries quoted 18 21 6
Median salary £47,500 £44,000 £22,500
Median salary % change year-on-year +7.95% +95.55%  
90% offered a salary of more than £42,500 £37,500 £21,100
10% offered a salary of more than £57,500 £37,500 £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 Harpenden

The job posting trend of jobs advertised in Harpenden 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 Harpenden

JavaScript
Salary Trend in Harpenden

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

Salary trend for JavaScript in Harpenden

For the 6 months to 24 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 Harpenden region with a requirement for JavaScript.

1 7 (87.50%) MVC
1 7 (87.50%) Ajax
1 7 (87.50%) .NET Framework
1 7 (87.50%) C#
1 7 (87.50%) HTML
1 7 (87.50%) SQL
1 7 (87.50%) T-SQL
1 7 (87.50%) .NET
1 7 (87.50%) ASP.NET
1 7 (87.50%) WCF
1 7 (87.50%) jQuery
1 7 (87.50%) Multithreading
1 7 (87.50%) ASP.NET MVC
1 7 (87.50%) HTML5
1 7 (87.50%) MongoDB
1 7 (87.50%) NoSQL
1 7 (87.50%) RabbitMQ
1 7 (87.50%) Entity Framework
1 7 (87.50%) SignalR
1 7 (87.50%) Twitter Bootstrap
1 7 (87.50%) TypeScript
1 7 (87.50%) RavenDB
2 1 (12.50%) REST
2 1 (12.50%) CSS3
2 1 (12.50%) AngularJS
2 1 (12.50%) Front End Development
2 1 (12.50%) Degree
2 1 (12.50%) Computer Science
2 1 (12.50%) CSS
2 1 (12.50%) SOAP

JavaScript
Co-occurring IT Skills in Harpenden 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:

Database & Business Intelligence
1 7 (87.50%) MongoDB
1 7 (87.50%) NoSQL
1 7 (87.50%) RavenDB
Job Titles
1 8 (100.00%) Developer
2 6 (75.00%) .NET Developer
2 6 (75.00%) C# Developer
3 5 (62.50%) ASP.NET Developer
3 5 (62.50%) C# .NET Developer
4 4 (50.00%) ASP.NET MVC Developer
4 4 (50.00%) C# ASP.NET Developer
5 1 (12.50%) Front End Developer (Client-Side Developer)
5 1 (12.50%) JavaScript Developer
Libraries, Frameworks & Software Standards
1 7 (87.50%) .NET
1 7 (87.50%) .NET Framework
1 7 (87.50%) Ajax
1 7 (87.50%) ASP.NET
1 7 (87.50%) ASP.NET MVC
1 7 (87.50%) Entity Framework
1 7 (87.50%) HTML
1 7 (87.50%) HTML5
1 7 (87.50%) jQuery
1 7 (87.50%) RabbitMQ
1 7 (87.50%) SignalR
1 7 (87.50%) Twitter Bootstrap
1 7 (87.50%) WCF
2 1 (12.50%) AngularJS
2 1 (12.50%) CSS
2 1 (12.50%) CSS3
2 1 (12.50%) REST
2 1 (12.50%) SOAP
Miscellaneous
1 1 (12.50%) Computer Science
Processes & Methodologies
1 7 (87.50%) Multithreading
1 7 (87.50%) MVC
2 1 (12.50%) Front End Development
2 1 (12.50%) OO
Programming Languages
1 7 (87.50%) C#
1 7 (87.50%) SQL
1 7 (87.50%) T-SQL
1 7 (87.50%) TypeScript
Qualifications
1 1 (12.50%) Degree