Nodejs String Trim trim()

Method Source Code

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

function getPercent(value, total) {
    value = parseFloat(value)//w  w w.jav a  2 s . co  m
    total = parseFloat(total)
    if (isNaN(value) || isNaN(total)) {
        return 0;
    }
    return total <= 0 ? 0 : (Math.round(value / total * 10000) / 100.00);
}

Related

1. trim()

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

2. trim()

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

3. trim()

   String.prototype.trim = function() 
     var  str = this.replace(/^\s\s*/, ''),
       ws = /\s/,
       i = str.length;
     while (ws.test(str.charAt(--i)));
     return str.slice(0, i + 1);
   

4. trim()

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

5. trim()

   if (!String.prototype.trim)
   String.prototype.trim = function()
     return this.replace(/^[\s]+|[\s]+$/g, "");
   };
   

6. trim()

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

7. trim()

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

8. trim()

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

9. trim()

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