js一个函数中return一个带onclick事件的链接,方法一个参数,一个this对象.
\u4e00\u4e2aonclick\u4e8b\u4ef6\u89e6\u53d1\u4e00\u4e2a\u51fd\u6570,\u5982\u4f55\u5c06\u8be5\u5143\u7d20\u7684\u5bf9\u8c61\u4f5c\u4e3a\u51fd\u6570\u7684\u53c2\u6570\u4f20\u8fc7\u53bbbody div{width:60%;height:400px;margin:50px 0;border:1px solid red}//\u8868\u5355\u9a8c\u8bc1function Check(obj){if(obj.username.value == ''){alert('\u8bf7\u8f93\u5165\u8d26\u53f7');obj.username.focus();return false;}}//\u5143\u7d20\u6539\u53d8function ChangeEle(obj){if(obj.innerHTML == '\u6211\u662fdiv\u5143\u7d20'){obj.innerHTML = 'Hello World';obj.style.backgroundColor = 'red';}}\u8d26\u53f7\uff1a
\u5bc6\u7801\uff1a
\u6211\u662fdiv\u5143\u7d20 public void onShowPromptDialog1(View v){ //inflate\u9700\u8981\u663e\u793a\u5230Dialog\u91cc\u7684View\u5bf9\u8c61 LayoutInflater li = LayoutInflater.from(this); View view = li.inflate(R.layout.addfriend, null); AlertDialog.Builder builder = new AlertDialog.Builder(this); builder.setTitle("\u8f93\u5165\u7fa4\u540d\u79f0"); builder.setIcon(R.drawable.icon); //\u4e4b\u524dinflate\u7684View \u653e\u5230dialog\u4e2d builder.setView(view); builder.setPositiveButton("\u786e\u5b9a", this); builder.setNegativeButton("\u53d6\u6d88", this); builder.create().show(); } }\u53c2\u8003\u8d44\u6599
CSDN.CSDN[\u5f15\u7528\u65f6\u95f42018-1-6]
\u70b9\u51fbfunction shanchu(a,obj){alert(a);alert($(obj).html());}\u51fd\u6570\u4f20\u5165this\u5bf9\u8c61\uff0c\u8fd9\u6837'this'\u4f1a\u88ab\u5f53\u6210\u5b57\u7b26\u4e32\u3002
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绛旓細js return 鐨勭粨鏋滃彲浠ユ槸浠讳綍瀵硅薄 鍙互鏄竴涓暟鍊 涓涓插瓧绗 涓涓猟om 鑺傜偣 涓涓獥鍙ｇ瓑绛 涔熷彲浠enturn 鍑芥暟鏈韩 濡 function fa(){ var fb= function(){ alert(); } return fb;}
绛旓細js涓涓嚱鏁颁腑return涓涓甯nclick浜嬩欢鐨勯摼鎺,鏂规硶涓涓弬鏁,涓涓猼his瀵硅薄. 10 瑙﹀彂鏂规硶鑾峰彇瀵硅薄鐨勫悓绾т粠鍚庡線鍓嶆暟绗笁涓璞,璁剧疆text('').鎶yntaxError:missingformalparameter閿欒... 瑙﹀彂鏂规硶鑾峰彇瀵硅薄鐨勫悓绾т粠鍚庡線鍓嶆暟绗笁涓璞,璁剧疆text('').鎶yntaxError: missing formal parameter閿欒 . 灞曞紑 鎴戞潵绛...
绛旓細鍙互杩斿洖涓涓鏁扮粍锛屽锛歠unction getArr(){ var arr=[1,2,3,4]; return arr;}var newArr=getArr();//newArr=[1,2,3,4]
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绛旓細鍏蜂綋璋冪敤鎯呭喌闇瑕佺湅js鏂规硶鏄庝箞鍐欑殑銆傗憼濡傛灉鏄渶绠鍗曠殑涓涓鏂规硶锛歠unctiuon dome1(){ //.浠ｇ爜鍧梷//璋冪敤鏂规硶灏辨槸锛歞ome1()銆傗憽濡傛灉鏄棴鍖呭舰寮:function dome1(){ function dome2(){ } return function dome3(){ }}//杩欓噷鍙互璁块棶dome1鏂规硶鍐呯殑dome3鏂规硶锛宒ome2鏂规硶瀵逛笌dome1鏂规硶澶栭儴鏄笉...
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绛旓細涓や釜鍔熻兘锛1銆佽繑鍥為昏緫鍊糵alse锛2銆佺粨鏉熻繖涓鍑芥暟銆
