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

JavaScript (including ECMAScript)
London / Isleworth
3 months to
30 Mar 2017
Same period 2016 Same period 2015
Rank 5 - -
Rank change year-on-year - 0  
Permanent jobs citing JavaScript 1 0 0
As % of all permanent IT jobs advertised in Isleworth 16.67% - -
As % of the Programming Languages category 16.67% - -
Number of salaries quoted 1 0 0
Median salary £70,000 - -
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 Isleworth with a requirement for programming language skills.

Programming Language Skills
Isleworth
Permanent job vacancies with a requirement for programming language skills 6 8 13
As % of all permanent IT job vacancies advertised in Isleworth 100.00% 100.00% 81.25%
Number of salaries quoted 6 8 13
Median salary £55,000 £50,000 £35,000
Median salary % change year-on-year +10.00% +42.85%  
90% offered a salary of more than £32,500 £50,000 £32,500
10% offered a salary of more than £70,000 £70,000 £50,000
UK excluding London median salary £41,000 £41,000 £40,000
% change year-on-year - +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 30 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 Isleworth region with a requirement for JavaScript.

1 1 (100.00%) HTML
1 1 (100.00%) Java
1 1 (100.00%) SQL
1 1 (100.00%) CSS
1 1 (100.00%) Telecoms
1 1 (100.00%) Agile Software Development
1 1 (100.00%) Continuous Improvement
1 1 (100.00%) Low Latency

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 (100.00%) Telecoms
Job Titles
1 1 (100.00%) Developer
1 1 (100.00%) Java Developer
Libraries, Frameworks & Software Standards
1 1 (100.00%) CSS
1 1 (100.00%) HTML
Processes & Methodologies
1 1 (100.00%) Agile Software Development
1 1 (100.00%) Continuous Improvement
1 1 (100.00%) Low Latency
Programming Languages
1 1 (100.00%) Java
1 1 (100.00%) SQL