Nodejs String Starts With startsWith(str)

Here you can find the source of startsWith(str)

Method Source Code

String.prototype.startsWith = function(str) {
    return ( str === this.substr( 0, str.length ) );
}

Related

  1. startsWith(start)
    String.prototype.startsWith = function(start) {
      return this.indexOf(start) == 0;
    };
    
  2. startsWith(start)
    String.prototype.startsWith = function(start) {
        if(start == '') return true;
        else if(start == null || start.length > this.length) return false;
        else return this.substring(0,start.length) == start;
    
  3. startsWith(str)
    String.prototype.startsWith = function(str) {
        if (this.indexOf(str) === 0) {
            return true;
        }else {
            return false;
    };
    
  4. startsWith(str)
    String.prototype.startsWith = function(str)
    {return (this.match("^"+str)!==str)}
    
  5. startsWith(str)
    String.prototype.startsWith = function(str){
        return this.substr(0, str.length) === str;
    };
    
  6. startsWith(str)
    String.prototype.startsWith = String.prototype.startsWith || function(str) {
      return this.indexOf(str) === 0;
    };
    export default String;
    
  7. startsWith(str)
    String.prototype.startsWith = function(str) {
      return (this.indexOf(str) == 0);
    };
    
  8. startsWith(str)
    String.prototype.startsWith = function (str){
        return this.indexOf(str) == 0;
    };
    
  9. startsWith(str)
    String.prototype.startsWith = function(str) {
      return (this.match("^"+str)==str);
    String.prototype.endsWith = function(str)  {
      return (this.match(str+"$")==str);