JavaScript (including ECMAScript)
Bromley > Hayes
The table below provides summary statistics for permanent job vacancies advertised in Hayes requiring JavaScript skills. It includes a benchmarking guide to the annual salaries offered in vacancies that cited JavaScript over the 6 months leading up to 12 May 2025, comparing them to the same period in the previous two years.
6 months to 12 May 2025 |
Same period 2024 | Same period 2023 | |
---|---|---|---|
Rank | 7 | - | 18 |
Rank change year-on-year | - | - | - |
Permanent jobs citing JavaScript | 1 | 0 | 1 |
As % of all permanent jobs advertised in Hayes | 11.11% | - | 2.38% |
As % of the Programming Languages category | 50.00% | - | 100.00% |
Number of salaries quoted | 0 | 0 | 1 |
Median annual salary (50th Percentile) | - | - | £55,414 |
Bromley median annual salary | - | £57,500 | £48,957 |
% change year-on-year | - | +17.45% | +52.99% |
All Programming Languages
Hayes
JavaScript falls under the Programming Languages category. For comparison with the information above, the following table provides summary statistics for all permanent job vacancies requiring coding skills in Hayes.
Permanent vacancies with a requirement for coding skills | 2 | 11 | 1 |
As % of all permanent jobs advertised in Hayes | 22.22% | 23.40% | 2.38% |
Number of salaries quoted | 0 | 0 | 1 |
Median annual salary (50th Percentile) | - | - | £55,414 |
Bromley median annual salary | £83,125 | £57,500 | £60,000 |
% change year-on-year | +44.57% | -4.17% | +41.18% |
JavaScript
Job Vacancy Trend in Hayes
Job postings citing JavaScript as a proportion of all IT jobs advertised in Hayes.

JavaScript
Salary Trend in Hayes
3-month moving average salary quoted in jobs citing JavaScript in Hayes.
JavaScript
Co-occurring Skills and Capabilities in Hayes by Category
The follow tables expand on the table above by listing co-occurrences grouped by category. The same employment type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories: