How to determine whether the values in the array are equal.

how to determine that all values in an array are equal to one value.

var array = ["success","success"];
var A1 =" success";

could you tell me how to judge this? Can you give me a few more examples? Thank you

Oct.24,2021

console.log(array.every(item=>item===a1))

var array = ['success','success','success','success'];
var a1 = 'success';

var isEquality = array.every((val) => {
    return val === a1;
});

console.log(isEquality);        // true

like this?


the first type:


return array.join("").replace(new RegExp(a1,'g'),"") === ""
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