window.onload=function(){
var script=document.createElement('script')
script.id='jsonp'
script.src='./my.js'
document.body.appendChild(script)
}
function getData(data){
console.log(data)
}
----------------------
my.js
getData('xxx')
window.onload=function(){
var script=document.createElement('script')
script.id='jsonp'
script.src='./my.js'
document.body.appendChild(script)
}
function getData(data){
console.log(data)
}
----------------------
my.js
getData('xxx')