Nodejs String Starts With starts( other )

Method Source Code

String.prototype.starts = function( other ){
// True if this string is at the beginning of the other one
  return !!other && other.substr( 0, this.length) == this
}

function str_starts( that, other ){
// Like that.starts( other) but sometimes faster
  return !!other && other.substr( 0, that.length) == that
}

Related

1. StartsWith( str )

   String.prototype.StartsWith = function( str )
       return this.indexOf( str ) == 0;
   };
   

2. startsWith( pattern )

   String.prototype.startsWith = String.prototype.startsWith || function ( pattern ) {
       return this.lastIndexOf(pattern, 0) === 0;
   

3. startsWith( str )

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

4. startsWith( value )

   String.prototype.startsWith = function( value )
     return ( this.substr( 0, value.length ) == value ) ;
   

5. startsWith()

   const strPro=String.prototype;
   String.prototype.startsWith||Object.assign(strPro,{
     startsWith(searchString,position){
       if (position) {
         return this.indexOf(searchString) === position;
       return this.indexOf(searchString)===0;
     },
     endsWith(searchString,position){
   ...