爲document.createElement（'script'）設置'src'屬性？

Question

我正試圖在不同的選項卡上創建一個高圖。但林得到錯誤，高圖未定義。我試圖用不同的方法註冊Highchart.js。代碼如下。

function OpenWin() { 
    var w = window.open(); 
    w.document.open(); 
    w.document.write('<div id="container" style="width:100%; height:400px;"></div>'); 

    var scriptHead = w.document.createElement("SCRIPT"); 
    //scriptHead.setAttribute('src','http://code.highcharts.com/highcharts.js'); 
    var link = "http://code.highcharts.com/highcharts.js"; 
    scriptHead.src = link; 
    w.document.head.appendChild(scriptHead); 

    var script = w.document.createElement("SCRIPT"); 
    w.document.body.appendChild(script); 
    var js = w.document.createTextNode('var a = localStorage.getItem("ImportOptions"); console.log(JSON.parse(a)); var chart = new Highcharts.Chart(JSON.parse(a))'); 
    script.appendChild(js); 
    w.document.close();  
} 

Answer 1

您需要等待以前的腳本加載。 Demo。

function OpenWin() { 
    var w = window.open(); 
    w.document.open(); 
    w.document.write('<div id="container" style="width:100%; height:400px;"></div>'); 

    var scriptHead = w.document.createElement("SCRIPT"); 
    //scriptHead.setAttribute('src','http://code.highcharts.com/highcharts.js'); 
    var link = "http://code.highcharts.com/highcharts.js"; 

    // bind on script load event 
    scriptHead.onload = function() { 
     var script = w.document.createElement("SCRIPT"); 
     w.document.body.appendChild(script); 
     var js = w.document.createTextNode('var a = localStorage.getItem("ImportOptions"); console.log(JSON.parse(a)); var chart = new Highcharts.Chart(JSON.parse(a))'); 
     script.appendChild(js); 
     w.document.close();   
    } 

    // as A.Wolff mentioned you might need to set onload befor src for some browsers. 
    scriptHead.src = link; 
    w.document.head.appendChild(scriptHead); 
}