Javascript how to retrieve last digit with separator -

【问题标题】：Javascript how to retrieve last digit with separator -Javascript how to retrieve last digit with separator -
【发布时间】：2022-12-01 15:08:36
【问题描述】：

i have data string

generate-image-scanID-60
generate-image-scanID-4

how to retrieve last digit with separator - ? in javascript

ouput :

thanks

【问题讨论】：

标签： javascript

【解决方案1】：

We can combine String.split() and Array.at() to do it

let datas =['generate-image-scanID-60','generate-image-scanID-4']
const getData = v => v.split('-').at(-1)

datas.forEach(d => {
  console.log(getData(d))
})

【讨论】：

【解决方案2】：

You can split the string and get last element and parse int

const raw = ['generate-image-scanID-60', 'generate-image-scanID-4']

const result = raw.map(str => parseInt(str.split('-').at(-1), 10))

console.log(result)

【讨论】：