JSFiddle - React, Tailwind, and code Playground
JavaScript
var obj =[{"Str1" : "Val1","Str2" : "Val2"},{"Str7" : "cat","Str8" : "black"}];
obj.filter(function(a,b){
for (var i in a) {
if (a.hasOwnProperty(i)) {
if(a[i] === 'cat'){alert('Cat Found')}
}
}
})