Question

How to get an array of one value from an array of objects in TypeScript

Answer 1

const arrobj = [
    {
        "programming language": "JavaScript",
        "fileextension": "js"
    },
    {
        "programming language": "TypeScript",
        "fileextension": "ts"
    },
    {
        "programming language": "C Plus Plus",
        "fileextension": "c++"
    },
    {
        "programming language": "Assembler",
        "fileextension": "asm"
    },
    {
        "programming language": "C Sharp",
        "fileextension": "cs"
    }
];
 
const result: string[] = arrobj.map(item => item.fileextension)
        
console.log(result);
 
    

/*
run:

["js", "ts", "c++", "asm", "cs"] 
         
*/

 

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