web前端|js教程
TextArea,光标位置
web前端-js教程
=IE支持document.selection
=Firefox，Chrome,Safari以及Opera都有selectionStart和selectionEnd属性
swing增删源码,vscode撤退前进,ubuntu一般分多少内存,tomcat 制定路经,sqlite不能更新数据,jquery蒙版插件,前端跨域最好的框架,夏天寝室床上有爬虫,iis7 php 配置,SEO 排名赚,讯时网站管理系统 5.0,网页预览pdf插件下载地址,七丽模板,php离线下载程序lzw
function insertText(obj,str) {
if (document.selection) {
var sel = document.selection.createRange();
sel.text = str;
} else if (typeof obj.selectionStart === umber && typeof obj.selectionEnd === umber) {
var startPos = obj.selectionStart,
endPos = obj.selectionEnd,
cursorPos = startPos,
tmpStr = obj.value;
obj.value = tmpStr.substring(0, startPos) + str + tmpStr.substring(endPos, tmpStr.length);
cursorPos += str.length;
obj.selectionStart = obj.selectionEnd = cursorPos;
} else {
obj.value += str;
}
}
function moveEnd(obj){
obj.focus();
var len = obj.value.length;
if (document.selection) {
var sel = obj.createTextRange();
sel.moveStart(character,len);
sel.collapse();
sel.select();
} else if (typeof obj.selectionStart == umber && typeof obj.selectionEnd == umber) {
obj.selectionStart = obj.selectionEnd = len;
}
}
销售记账管理系统php源码,ubuntu文件只读系统,tomcat6日志,爬虫语义分析,php 关键词过滤 替换,求职seo推荐lzw
