Nodejs String Trim trim()

Method Source Code

var str="  sds "
console.info("--"+str.trim()+"--");

console.info(str.charAt(2));// w  w w.j ava2s .  c  o  m

var str1="  aaa ff ";
console.info("|"+str1.trim()+"|");
   


String.prototype.trim=function() {
   var regular=/(^\s*)|(\s*$)/gi;
   return(this.replace(regular,""));
}

var str2="Hello ";
var str3="Word ";
var str4=" job!";
console.info(str2.concat(str3,str4));
console.info(str2.substring(0,2));
//ddd

Related

1. trim()

   String.prototype.trim = function()
           return String(this).replace(/^\s+|\s+$/g, '');
   };
   

2. trim()

   String.prototype.trim = function() {
     return this.ltrim().rtrim();
   

3. trim()

   String.prototype.trim = function() {
     return this.replace(/(^\s+|\s+$)/g, '');
   };
   

4. trim()

   String.prototype.trim = function ()
    return this.replace(/^\s*(\S*(\s+\S+)*)\s*$/, "$1");
   "[" + "         1234    ".trim() + "]"
   

5. trim()

   String.prototype.trim = function () {
       return this.replace(/^\s*/, "").replace(/\s*$/, "");
   };
   

6. trim()

   String.prototype.trim = function() {
     return this.replace(/^\s+|\s+$/g, '');
   };
   var str = "     foo      bar            j";
   console.log(str.trim().split(' '));
   

7. trim()

   String.prototype.trim = function() {
       return this.replace(/(^\s*)|(\s*$)/g, ""); 
   

8. trim()

   function trim()
     var start,end;
     start = 0;
     end = this.length-1;
     while (start<=end&&this.charAt(start)==" "){
       start++;
     while (start<=end&&this.charAt(end)==" "){
   ...
   

9. trim()

   String.prototype.trim = function () {
     var reExtraSpace = /^\s+(.*?)\s+$/;
     return this.replace(reExtraSpace, "$1");
   };
   var script = document.getElementsByTagName("script");
   var template = {};
   for(var i = 0; i < script.length; i++){
     if(script[i].getAttribute("type") == "template"
       && script[i].id)
   ...