The following table provides summary statistics for permanent job vacancies advertised in Isleworth 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 22 June 2017 with a comparison to the same period in the previous 2 years.

JavaScript (including ECMAScript)
London / Isleworth
3 months to
22 Jun 2017
Same period 2016 Same period 2015
Rank 3 - -
Rank change year-on-year - 0  
Permanent jobs citing JavaScript 1 0 0
As % of all permanent IT jobs advertised in Isleworth 25.00% - -
As % of the Programming Languages category 25.00% - -
Number of salaries quoted 1 0 0
Median salary £55,000 - -
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 Isleworth with a requirement for programming language skills.

Programming Language Skills
Isleworth
Permanent job vacancies with a requirement for programming language skills 4 2 2
As % of all permanent IT job vacancies advertised in Isleworth 100.00% 22.22% 50.00%
Number of salaries quoted 4 1 2
Median salary £55,000 £20,000 £37,500
Median salary % change year-on-year +175.00% -46.66%  
UK excluding London median salary £42,500 £41,000 £40,000
% change year-on-year +3.65% +2.50%  

JavaScript
Job Vacancy Trend in Isleworth

The job posting trend of jobs advertised in Isleworth 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 Isleworth

JavaScript
Salary Trend in Isleworth

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

Salary trend for JavaScript in Isleworth

For the 6 months to 22 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 Isleworth region with a requirement for JavaScript.

1 2 (100.00%) SQL
1 2 (100.00%) CSS
1 2 (100.00%) HTML
2 1 (50.00%) Java
2 1 (50.00%) C#
2 1 (50.00%) MVC
2 1 (50.00%) Telecoms
2 1 (50.00%) Agile Software Development
2 1 (50.00%) Ajax
2 1 (50.00%) .NET Framework
2 1 (50.00%) jQuery
2 1 (50.00%) Continuous Improvement
2 1 (50.00%) AngularJS
2 1 (50.00%) Low Latency
2 1 (50.00%) ASP.NET Web Forms
2 1 (50.00%) Greenfield Project
2 1 (50.00%) Web Services
2 1 (50.00%) XHTML
2 1 (50.00%) Microsoft
2 1 (50.00%) T-SQL
2 1 (50.00%) .NET
2 1 (50.00%) ASP.NET

JavaScript
Co-occurring IT Skills in Isleworth 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:

General
1 1 (50.00%) Telecoms
Job Titles
1 2 (100.00%) Developer
2 1 (50.00%) .NET Developer
2 1 (50.00%) ASP.NET MVC Developer
2 1 (50.00%) Java Developer
Libraries, Frameworks & Software Standards
1 2 (100.00%) CSS
1 2 (100.00%) HTML
2 1 (50.00%) .NET
2 1 (50.00%) .NET Framework
2 1 (50.00%) Ajax
2 1 (50.00%) AngularJS
2 1 (50.00%) ASP.NET
2 1 (50.00%) ASP.NET Web Forms
2 1 (50.00%) jQuery
2 1 (50.00%) Web Services
2 1 (50.00%) XHTML
Miscellaneous
1 1 (50.00%) Greenfield Project
Processes & Methodologies
1 1 (50.00%) Agile Software Development
1 1 (50.00%) Continuous Improvement
1 1 (50.00%) Low Latency
1 1 (50.00%) MVC
Programming Languages
1 2 (100.00%) SQL
2 1 (50.00%) C#
2 1 (50.00%) Java
2 1 (50.00%) T-SQL
Vendors
1 1 (50.00%) Microsoft