很巧,我只是在几分钟前回答了类似的question。您可以使用这样的自定义函数:
jQuery.fn.extend({
insertAtCaret: function(myValue){
return this.each(function(i) {
if (document.selection) {
//For browsers like Internet Explorer
this.focus();
sel = document.selection.createRange();
sel.text = myValue;
this.focus();
}
else if (this.selectionStart || this.selectionStart == '0') {
//For browsers like Firefox and Webkit based
var startPos = this.selectionStart;
var endPos = this.selectionEnd;
var scrollTop = this.scrollTop;
this.value = this.value.substring(0, startPos)+myValue+this.value.substring(endPos,this.value.length);
this.focus();
this.selectionStart = startPos + myValue.length;
this.selectionEnd = startPos + myValue.length;
this.scrollTop = scrollTop;
} else {
this.value += myValue;
this.focus();
}
})
}
});
基本上,此插件允许您在多个 textbox 或 textarea 的插入符号处插入一段文本。你可以这样使用它:
$('#element1, #element2, #element3, .class-of-elements').insertAtCaret('text');
Working Demo