Nodejs Array Remove by Value removeByValue( val )

Method Source Code

/**// www . ja  v  a2s  . c  o m
 * Function to remove values from arrays
 *
 * @param {Array} this.elements or this.fields
 *
 * @returns {undefined}
 */
Array.prototype.removeByValue = function( val ) {
    for ( var i=0; i < this.length; i++ ) {
        if ( this[i] == val ) {
            this.splice( i, 1 );
            break;
        }
    }
};

Related

1. removeByValue(index,val)

   Array.prototype.removeByValue = function(index,val) {
       for(var i=0; i<this.length; i++) {
           if(this[i][index] == val) {
               this.splice(i, 1);
               break;
   var arr = [{first:'zhang',last:'san'},{first:'li',last:'si'}];
   ...
   

2. removeByValue(val)

   Array.prototype.removeByValue = function(val) {
       for(var i=0; i<this.length; i++) {
           if(this[i] == val) {
               this.splice(i, 1);
               break;
   

3. removeByValue(value)

   Array.prototype.removeByValue = function(value) {
       for (var i = 0; i < this.length; ++i) {
           if (this[i] == value) {
               this.splice(i, 1);
   

4. removeByValue(value)

   Array.prototype.removeByValue = function (value) {
       var i = 0,
           count = 0;
       for (i = 0; i < this.length; i += 1) {
           if (this[i] === value) {
               this.splice(i, 1);
               i -= 1;
               count += 1;
       return count;
   };
   var fruits = ["Apple", "Banana", "Orange", "Apple", "Mango", "Apple"];
   var arr = [1, 3, 1, 1, 4, 5, 8, 1];
   var value;
   var removedElelemnts = 0;
   jsConsole.writeLine('array: [' + arr + ']');
   value = 1;
   jsConsole.writeLine('remove elements with value: ' + value);
   removedElelemnts = arr.removeByValue(value);
   jsConsole.writeLine('number of removed elements: ' + removedElelemnts);
   jsConsole.writeLine('array: [' + arr + ']');
   jsConsole.writeLine('');
   jsConsole.writeLine('fruits array: [' + fruits + ']');
   value = 'Apple';
   jsConsole.writeLine('remove elements with value: ' + value);
   removedElelemnts = fruits.removeByValue(value);
   jsConsole.writeLine('number of removed elements: ' + removedElelemnts);
   jsConsole.writeLine('fruits array: [' + fruits + ']');