set launguage via url

public/esltool.js

@@ -2,11 +2,23 @@ import { utils } from "./utils.js";
 import { view } from "./view.js";
 
 
+function getUrlParams() {
+    const config = {};
+    new URLSearchParams(window.location.search).forEach((value, key) => {
+      config[key] = value;
+    });
+    return config;
+  }
+  
 let config = {
     first_language: 'にほんご,中文',
     second_language: 'English'
 }
 
+config ={...config,... getUrlParams()};
+console.log('esltool.js config is :',config);
+
+
 
 
 // Create toolbar element
@@ -104,7 +116,7 @@ function ask(prompt) {
      });
 }
 
-askButton.addEventListener("click", () => {
+askButton.addEventListener("pointerdown", () => {
     ask(' ');    
 
 });
@@ -122,13 +134,13 @@ translateBtn.addEventListener("pointerdown", () => {
 
 // Explain Button:
 explainBtn.addEventListener("pointerdown", () => {
-    ask('explain this for english seconds language learner in simple english first,then analyse step by step:\n ');
+    ask(`explain this for ${config.second_language} seconds language learner in simple english first,then analyse step by step:\n `);
 
 });
 
 // Define Button:
 defineBtn.addEventListener("pointerdown", () => {
-    ask('define the word  in simple english , tell me all definitions if it has,and part of speech, and give some usage example:\n '  )
+    ask(`define the word  in simple ${config.second_language} , tell me all definitions if it has,and part of speech, and give some usage example:\n `  )
     });
 
 removeButton.addEventListener('pointerdown', () => {