?? public.js
字號:
//---------獲得表單的焦點------//
function MakeFocus(current_form) {
var current_form;
var temp_obj=current_form;
temp_obj.focus();
}
//---------定義trim、left、right方法------//
function trim_spaces(from_where){
var temp_string=this;
if(arguments.length == 0){
from_where = "BOTH";
}
if(from_where.toUpperCase() == "LEFT" || from_where == "BOTH"){
while (temp_string.left(1) == " ")
{
temp_string = temp_string.substring(1);
}
}
if(from_where.toUpperCase() == "RIGHT" || from_where == "BOTH"){
while (temp_string.right(1) == " ")
{
temp_string = temp_string.substring(0,temp_string.length-2);
}
}
return temp_string;
}
function extract_left(total_chars){
return this.substring(0,total_chars);
}
function extract_right(total_chars){
return this.substring(this.length-total_chars)
}
//---------left方法從左邊提取字符------//
String.prototype.left = extract_left;
//---------right方法從右邊提取字符------//
String.prototype.right = extract_right;
//---------trim方法用來去掉字符串兩邊的空格------//
String.prototype.trim = trim_spaces;
//---------計算選擇列表中被選擇的條數,返回條數------//
function get_selections(current_list){
var selected_num=0;
var selected_value = new Array();
for (var counter=0;counter<current_list.options.length;counter++){
if (current_list.options[counter].selected){
selected_value[selected_num]=current_list.options[counter].value;
selected_num++;
}
}
return selected_value;
}
//---------檢查數據是否為整型數據------//
function its_a_digit(character){
var digit_characters = "0123456789";
if (digit_characters.indexOf(character) ==-1){
return false;
}
else return true;
}
function its_integer(string_value){
for (var counter=0;counter<string_value.length;counter++){
current_char=string_value.charAt(counter);
if(!its_a_digit(current_char)){
return false;
}
}
return true;
}
?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -