I have two arrays like this:
var arr = ["1", "3" , "4"];
var arr2 = ["1", "2", "3", "4", "5", "6", "7", "8", "9"];
I want to remove numbers from second array based on numbers that are available in first array.
I tried this but I am getting wrong values such as 2,4,6,8:
theButton.onclick = function removePassedInNumbers(arr){
for(var i = 0; i < arr2.length; i++){
if(arr2.indexOf(arr[i])){
arr2.splice(i, 1);
}
}
document.getElementById('myNumber').innerHTML = arr2;
}
<input type="button" id="theButton" onclick="removePassedInNumbers(arr)" value="Click here"/>
<p id="myNumber">hey</p>
Here is the fiddle: https://jsfiddle.net/4hLcanc6/
Where did I go wrong?