Question

How to merge two arrays in TypeScript

Answer 1

let arr: Array<string> = ['TypeScript', 'C', 'C++', 'Java']; 

let arr2: Array<string> = ['Python', 'PHP']; 

arr = arr.concat(arr2); 
 
for (var index in arr) {
    console.log(arr[index]); 
}
 
 
 
 
/*
 
run:
 
"TypeScript" 
"C" 
"C++" 
"Java" 
"Python" 
"PHP" 

*/

 

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