java script indexOf code example
Example 1: javascript indexof
var colors=["red","green","blue"];
var pos=colors.indexOf("blue");
var str = "We got a poop cleanup on isle 4.";
var strPos = str.indexOf("poop");
Example 2: indexof javascript
var colors=["red","green","blue"];
var pos=colors.indexOf("blue");
var str = "We got a poop cleanup on isle 4.";
var strPos = str.indexOf("poop");
<Checkbox
checked={value.indexOf(option) > -1}
value={option}
/>
Example 3: make indexOF in js
function indexOf(arr, value) {
for (let [i, e] of arr.entries()) {
if (value == e) return i;
}
return -1;
}
indexOf([1,2,3], 2);