Javascript String startsWith(str)

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

String.prototype.startsWith = function(str)
{return (this.match("^"+str)!==str)}

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

// http://stackoverflow.com/questions/646628/javascript-startswith

String.prototype.startsWith = String.prototype.startsWith || function(str) {
  return this.indexOf(str) === 0;
};

export default String;/*  w  w w  .j a  v a 2  s  .c om*/

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

String.prototype.startsWith = function(str) {
  return (this.match("^" + str) == str)
};

//string/*from   ww  w  .  ja  v a 2 s.c o m*/
String.prototype.startsWith = function(str) {
    if (typeof str !== 'string') return false;
    return this.indexOf(str) === 0;
};

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

// Adapted from code by Shawn Olson
// http://www.shawnolson.net/a/639/select-all-checkboxes-in-a-form-with-javascript.html

String.prototype.startsWith = function(str) {
  return (this.match('^'+str)==str)
}

function checkUncheckAll(theElement,startName) {
  var theForm = theElement.form, z = 0;
  for (z=0; z<theForm.length;z++) {
    if (theForm[z].type == 'checkbox' && theForm[z].name.startsWith(startName)) {
      theForm[z].checked = theElement.checked;
    }/*from w w  w.  ja va2  s  . c om*/
  }
}

String.prototype.startsWith=function(str){
    if(str==null||str==""||this.length==0||str.length>this.length)
     return false;
    if(this.substr(0,str.length)==str)
     return true;
    else//from   w  w  w .j  a v  a  2s  .co m
     return false;
    return true;
};

if (!String.prototype.startsWith) {
 String.prototype.startsWith = function(str) {
  return this.lastIndexOf(str, 0) === 0;
 };//from w  w  w.j a  v  a2  s.co m
}

String.prototype.startsWith = function(str) 
{return (this.match("^"+str)==str)};

String.prototype.startsWith = function (str) {
    if (str == null || str == '' || this.length < str.length) {
        return false;
    }/*from   www  .ja v  a  2  s. com*/
    return (this.substring(0, str.length) == str);
}

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

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

// String Starts With
String.prototype.startswith = function(str) {
 return (this.substring(0, str.length) === str) ? true : false;
}

// Common//from w ww. ja  v a 2s. c om
String.prototype.startsWith = function (str) {
    return this.substr(0, str.length) === str;
};