javascript remove from array by index
//Remove specific value by index
array.splice(index, 1);javascript remove from array by index
//Remove specific value by index
array.splice(index, 1);javascript remove element from array
var colors = ["red","blue","car","green"];
var carIndex = colors.indexOf("car");//get "car" index
//remove car from the colors array
colors.splice(carIndex, 1); // colors = ["red","blue","green"]remove an element from array
var colors = ["red", "blue", "car","green"];
// op1: with direct arrow function
colors = colors.filter(data => data != "car");
// op2: with function return value
colors = colors.filter(function(data) { return data != "car"});how to remove item from array javascript
var array = ["Item", "Item", "Delete me!", "Item"]
array.splice(2,1) // array is now ["Item","Item","Item"]js remove element from array
function removeItemOnce(arr, value) {
var index = arr.indexOf(value);
if (index > -1) {
arr.splice(index, 1);
}
return arr
}
function removeItemAll(arr, value) {
var i = 0;
while (i < arr.length) {
if (arr[i] === value) {
arr.splice(i, 1);
} else {
++i;
}
}
return arr;
}
// Usage
console.log(removeItemOnce([2,5,9,1,5,8,5], 5))
console.log(removeItemAll([2,5,9,1,5,8,5], 5))Copyright © 2021 Codeinu
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