日期:2014-05-16 浏览次数:20412 次
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <html> <head> <title>new document</title> <script type="text/javascript"> function setColor(){ if(document.all){ var tr = document.selection.createRange(); tr.execCommand("ForeColor", false, "#FF0000"); }else{ var tr = window.getSelection().getRangeAt(0); var span = document.createElement("span"); span.style.cssText = "color:#ff0000"; tr.surroundContents(span); } } </script> </head> <body> <div>fdjlksafjd;slafjd;slakfjds</div> <input type="button" onclick="setColor()" value="setColor" /> </body> </html>
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解决了,使用
document.execCommand("ForeColor", true, "#BBDDCC");
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<select name="" id="btn"> <option value="red">红色</option> <option value="yellow">黄色</option> </select> <textarea id="put"></textarea> <div id="display"> </div> <script> var t = document.getElementById('put'); var btn = document.getElementById('btn').options; btn.onclick = function(){ var color = this.value ; if(window.getSelection) { if( (t.selectionStart != undefined) && (t.selectionEnd != undefined) ) { var text = t.value.substring(t.selectionStart, t.selectionEnd); alert(text); //document.getElementById('display').innerHTML = text ; //document.getElementById('display').style.color = color ; } else { return ""; } } else { var text = document.selection.createRange().text ; document.getElementById('display').innerHTML = text ; document.getElementById('display').style.color = color ; } } </script>