Nodejs String Starts With startWith(s)

Method Source Code

/**//  www  .  ja v  a 2 s .  co m
 * Created by Administrator on 2017/8/4.
 */
function convertParamsMapToUri(paramsMap) {
    var uri = "";
    var isFirst = true;
    for (var key in paramsMap) {
        var keyValue = key + "=" + paramsMap[key];
        if (isFirst) {
            isFirst = false;
        } else {
            uri += "&";
        }
        uri += keyValue;
    }
    return uri;
}

function openUrlInNewWindow(url) {
    if (url.startWith('http://')) {
        window.open(url);
    } else {
        window.open('http://' + url);
    }
}

String.prototype.startWith = function (s) {
    if (s == null || s == "" || this.length == 0 || s.length > this.length) {
        return false;
    }
    return this.substr(0, s.length) == s;
};

Related

1. startswith(str)

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

2. startswith(str)

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

3. startWith(pre)

   String.prototype.startWith = function(pre){
     return new RegExp("^("+pre+")(.*)").test(this);
   };
   

4. startWith(s)

   String.prototype.startWith = function (s) {
       return this.indexOf(s) == 0
   

5. startWith(s)

   String.prototype.startWith = function(s) {
     if (s === null || s === "" || this.length === 0 || s.length > this.length)
       return false;
     if (this.substr(0, s.length) == s)
       return true;
     else
       return false;
     return true;
   

6. startWith(str)

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

7. startWith(str)

   String.prototype.startWith = function(str) {
     var reg = new RegExp("^" + str);
     return reg.test(this);
   };
   

8. startWith(str)

   String.prototype.startWith = function (str) {
     var reg = new RegExp("^" + str);
     return reg.test(this);
   

9. startWith(str)

   String.prototype.startWith=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
     return false;
   return true;