window.onload =function () {
function getFocus(obj,msg) {
var obj =document.getElementById(obj);
var msg =document.getElementById(msg);
obj.onfocus =function () {
msg.style.display ='block'
}
}
getFocus('name','nameMsg')();
};
就是当一个input获得焦点时,将下方隐藏的提示信息显示出来。功能也实现了。可是调试台报错,想知道为什么。
报错信息
02.js:9 Uncaught TypeError: getFocus(...) is not a function
at window.onload (02.js:9)
window.onload @ 02.js:9