Może coś jak Tomek Sochacki
const foo = ["primole", "Tomek", "JSHolic","pablop76"];
function spliceArrayElement(arr,element){
const index = arr.findIndex(el=>el==element)
if(index>-1){
arr.splice(index,1);
}
}
spliceArrayElement(foo,"Tomek")
console.log(foo)
ale zamiast findIndex zastosuj includes
const foo = ["primole", "Tomek", "JSHolic","pablop76"];
function spliceArrayElement(arr,element){
if(arr.includes(element)){
const index = arr.indexOf(element);
arr.splice(index,1);
}
}
spliceArrayElement(foo,"pablop76")
console.log(foo)
Tylko musisz dla IE zastosować Polyfill