Nodejs String Contains contains(argument)

Here you can find the source of contains(argument)

Method Source Code

var string = "Hello world, my name is cole hudson. This is super cool.";

//string 'contains' helper function
String.prototype.contains = function(argument){
  var parent = this.toLowerCase();
  var argumentString = argument.toLowerCase();
  return (parent.indexOf(argumentString) > -1);
};

console.log(string.contains("World"));

Related

  1. contains( s, index)
    String.prototype.contains  = function( s, index) {
      return this.indexOf(s,index||0) > -1;
    
  2. contains()
    String.prototype.contains = function() {
      var args = arguments;
      for (var i in args) {
        var str = args[i];
        if (typeof str === "string" && this.indexOf(str) > -1) {
          return true;
      return false;
    ...
    
  3. contains()
    var fs = require('fs');
    var path = process.argv[2];
    var suffix = '.'+process.argv[3];
    var list =[];
    String.prototype.contains = function() {
        return String.prototype.indexOf.apply( this, arguments ) !== -1;
    };
    fs.readdir(path, function(err, files){
      if(!err){
    ...
    
  4. contains()
    String.prototype.contains = function () {
      return String.prototype.indexOf.apply(this, arguments) !== -1;
    };
    
  5. contains(a)
    String.prototype.contains = function (a) {
      if (this.indexOf(a) > -1)
        return true;
      else
        return false;
    };
    
  6. contains(char)
    String.prototype.contains = function(char) {
        return this.indexOf(char) != -1;
    };
    
  7. contains(it)
    String.prototype.contains = function(it) { return this.indexOf(it) != -1; };
    function geturlform(addr){
      if(addr.contains('http') || addr.contains('https')){
        return "<a href='"+addr+"'>"+addr+"</a>";
      }else{
        return addr;
    
  8. contains(it)
    String.prototype.contains = function(it) {
        return this.indexOf(it) !== -1;
    };
    
  9. contains(it)
    String.prototype.contains = function(it) {
      if (it instanceof Array) {
        for (var i in it) {
          if (this.indexOf(it[i]) != -1)
      return true;  
        return false;
      else
    ...