Javascript 函数调用在我的页面中不起作用_Javascript_Html_Json_Google Font Api

Javascript 函数调用在我的页面中不起作用

javascript html json

Javascript 函数调用在我的页面中不起作用,javascript,html,json,google-font-api,Javascript,Html,Json,Google Font Api,我制作了一个与谷歌字体Api配合使用的选择菜单。我在JSBIN中发挥作用这是我的工作但当我在html页面中复制代码时，甚至没有在页面中加载字体名称。我试图使它工作，但它仍然是在死胡同。这是我的html代码 <!DOCTYPE html> <html> <head> <script src="http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"> </script&

我制作了一个与谷歌字体Api配合使用的选择菜单。我在JSBIN中发挥作用这是我的工作

但当我在html页面中复制代码时，甚至没有在页面中加载字体名称。我试图使它工作，但它仍然是在死胡同。这是我的html代码

 <!DOCTYPE html>
 <html>
 <head>
  <script src="http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"> </script>
  <meta charset=utf-8 />
  <title>FONT API</title>
  <script>
    function SetFonts(fonts) { 
    for (var i = 0; i < fonts.items.length; i++) {      
    $('#styleFont')
     .append($("<option></option>")
     .attr("value", fonts.items[i].family)
     .text(fonts.items[i].family));
    }    
  }

  var script = document.createElement('script');
  script.src = 'https://www.googleapis.com/webfonts/v1/webfonts?key=AIzaSyB8Ua6XIfe-gqbkE8P3XL4spd0x8Ft7eWo&callback=SetFonts';
  document.body.appendChild(script);


  WebFontConfig = {
google: { families: ['ABeeZee', 'Abel', 'Abril Fatface', 'Aclonica', 'Acme', 'Actor', 'Adamina', 'Advent Pro', 'Aguafina Script', 'Akronim', 'Aladin', 'Aldrich', 'Alegreya', 'Alegreya SC', 'Alex Brush', 'Alfa Slab One', 'Alice', 'Alike', 'Alike Angular', 'Allan', 'Allerta', 'Allerta Stencil', 'Allura', 'Almendra', 'Almendra Display', 'Almendra SC', 'Amarante', 'Amaranth', 'Amatic SC', 'Amethysta', 'Anaheim', 'Andada', 'Andika', 'Angkor', 'Annie Use Your Telescope', 'Anonymous Pro', 'Antic', 'Antic Didone', 'Antic Slab', 'Anton', 'Arapey', 'Arbutus', 'Arbutus Slab', 'Architects Daughter', 'Archivo Black', 'Archivo Narrow', 'Arimo', 'Arizonia', 'Armata', 'Artifika', 'Arvo', 'Asap', 'Asset', 'Astloch', 'Asul', 'Atomic Age', 'Aubrey', 'Audiowide', 'Autour One', 'Average', 'Average Sans', 'Averia Gruesa Libre', 'Averia Libre', 'Averia Sans Libre', 'Averia Serif Libre', 'Bad Script', 'Balthazar', 'Bangers', 'Basic', 'Battambang', 'Baumans', 'Bayon', 'Belgrano', 'Belleza', 'BenchNine', 'Bentham', 'Berkshire Swash', 'Bevan', 'Bigelow Rules', 'Bigshot One', 'Bilbo', 'Bilbo Swash Caps', 'Bitter', 'Black Ops One', 'Bokor', 'Bonbon', 'Boogaloo', 'Bowlby One', 'Bowlby One SC', 'Brawler', 'Bree Serif', 'Bubblegum Sans', 'Bubbler One', 'Buda', 'Buenard', 'Butcherman', 'Butterfly Kids', 'Cabin', 'Cabin Condensed', 'Cabin Sketch', 'Caesar Dressing', 'Cagliostro', 'Calligraffitti', 'Cambo', 'Candal', 'Cantarell', 'Cantata One', 'Cantora One', 'Capriola', 'Cardo', 'Carme', 'Carrois Gothic', 'Carrois Gothic SC', 'Carter One', 'Caudex', 'Cedarville Cursive', 'Ceviche One', 'Changa One', 'Chango', 'Chau Philomene One', 'Chela One', 'Chelsea Market', 'Chenla', 'Cherry Cream Soda', 'Cherry Swash', 'Chewy', 'Chicle', 'Chivo', 'Cinzel', 'Cinzel Decorative', 'Clicker Script', 'Coda', 'Coda Caption', 'Codystar', 'Combo', 'Comfortaa', 'Coming Soon', 'Concert One', 'Condiment', 'Content', 'Contrail One', 'Convergence', 'Cookie', 'Copse', 'Corben', 'Courgette', 'Cousine', 'Coustard', 'Covered By Your Grace', 'Crafty Girls', 'Creepster', 'Crete Round', 'Crimson Text', 'Croissant One', 'Crushed', 'Cuprum', 'Cutive', 'Cutive Mono']}
};
(function() {
var wf = document.createElement('script');
wf.src = ('https:' == document.location.protocol ? 'https' : 'http') +
  '://ajax.googleapis.com/ajax/libs/webfont/1/webfont.js';
wf.type = 'text/javascript';
wf.async = 'true';
var s = document.getElementsByTagName('script')[0];
s.parentNode.insertBefore(wf, s);
})();


 $("#styleFont").change(function (){
   var id =$('#styleFont option' +':selected').val();  
                            $("#custom_text").css('font-family',id);

   });


  </script>
  <style>
      #custom_text {
  font-family: Arial;
  resize: none;
  margin-top: 20px;
  width: 500px;
     }
      #styleFont {
  width: 100px;
     }
    </style>

    </head>
    <body>
    <select id="styleFont">
    </select><br>
    <textarea id="custom_text"></textarea>
    </body>
    </html>


字体API
函数SetFonts（字体）{
对于（var i=0；i

如何使其工作。我在这里犯了什么错误。

将脚本移动到页面底部。现在的问题是，脚本在DOM形成之前运行

<!DOCTYPE html>
 <html>
 <head>
  <script src="http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"> </script>
  <meta charset=utf-8 />
  <title>FONT API</title>

  <style>
      #custom_text {
  font-family: Arial;
  resize: none;
  margin-top: 20px;
  width: 500px;
     }
      #styleFont {
  width: 100px;
     }
    </style>

    </head>
    <body>
    <select id="styleFont">
    </select><br>
    <textarea id="custom_text"></textarea>

    <script>
    function SetFonts(fonts) { 
    for (var i = 0; i < fonts.items.length; i++) {      
    $('#styleFont')
     .append($("<option></option>")
     .attr("value", fonts.items[i].family)
     .text(fonts.items[i].family));
    }    
  }

  var script = document.createElement('script');
  script.src = 'https://www.googleapis.com/webfonts/v1/webfonts?key=AIzaSyB8Ua6XIfe-gqbkE8P3XL4spd0x8Ft7eWo&callback=SetFonts';
  document.body.appendChild(script);


  WebFontConfig = {
google: { families: ['ABeeZee', 'Abel', 'Abril Fatface', 'Aclonica', 'Acme', 'Actor', 'Adamina', 'Advent Pro', 'Aguafina Script', 'Akronim', 'Aladin', 'Aldrich', 'Alegreya', 'Alegreya SC', 'Alex Brush', 'Alfa Slab One', 'Alice', 'Alike', 'Alike Angular', 'Allan', 'Allerta', 'Allerta Stencil', 'Allura', 'Almendra', 'Almendra Display', 'Almendra SC', 'Amarante', 'Amaranth', 'Amatic SC', 'Amethysta', 'Anaheim', 'Andada', 'Andika', 'Angkor', 'Annie Use Your Telescope', 'Anonymous Pro', 'Antic', 'Antic Didone', 'Antic Slab', 'Anton', 'Arapey', 'Arbutus', 'Arbutus Slab', 'Architects Daughter', 'Archivo Black', 'Archivo Narrow', 'Arimo', 'Arizonia', 'Armata', 'Artifika', 'Arvo', 'Asap', 'Asset', 'Astloch', 'Asul', 'Atomic Age', 'Aubrey', 'Audiowide', 'Autour One', 'Average', 'Average Sans', 'Averia Gruesa Libre', 'Averia Libre', 'Averia Sans Libre', 'Averia Serif Libre', 'Bad Script', 'Balthazar', 'Bangers', 'Basic', 'Battambang', 'Baumans', 'Bayon', 'Belgrano', 'Belleza', 'BenchNine', 'Bentham', 'Berkshire Swash', 'Bevan', 'Bigelow Rules', 'Bigshot One', 'Bilbo', 'Bilbo Swash Caps', 'Bitter', 'Black Ops One', 'Bokor', 'Bonbon', 'Boogaloo', 'Bowlby One', 'Bowlby One SC', 'Brawler', 'Bree Serif', 'Bubblegum Sans', 'Bubbler One', 'Buda', 'Buenard', 'Butcherman', 'Butterfly Kids', 'Cabin', 'Cabin Condensed', 'Cabin Sketch', 'Caesar Dressing', 'Cagliostro', 'Calligraffitti', 'Cambo', 'Candal', 'Cantarell', 'Cantata One', 'Cantora One', 'Capriola', 'Cardo', 'Carme', 'Carrois Gothic', 'Carrois Gothic SC', 'Carter One', 'Caudex', 'Cedarville Cursive', 'Ceviche One', 'Changa One', 'Chango', 'Chau Philomene One', 'Chela One', 'Chelsea Market', 'Chenla', 'Cherry Cream Soda', 'Cherry Swash', 'Chewy', 'Chicle', 'Chivo', 'Cinzel', 'Cinzel Decorative', 'Clicker Script', 'Coda', 'Coda Caption', 'Codystar', 'Combo', 'Comfortaa', 'Coming Soon', 'Concert One', 'Condiment', 'Content', 'Contrail One', 'Convergence', 'Cookie', 'Copse', 'Corben', 'Courgette', 'Cousine', 'Coustard', 'Covered By Your Grace', 'Crafty Girls', 'Creepster', 'Crete Round', 'Crimson Text', 'Croissant One', 'Crushed', 'Cuprum', 'Cutive', 'Cutive Mono']}
};
(function() {
var wf = document.createElement('script');
wf.src = ('https:' == document.location.protocol ? 'https' : 'http') +
  '://ajax.googleapis.com/ajax/libs/webfont/1/webfont.js';
wf.type = 'text/javascript';
wf.async = 'true';
var s = document.getElementsByTagName('script')[0];
s.parentNode.insertBefore(wf, s);
})();


 $("#styleFont").change(function (){
   var id =$('#styleFont option' +':selected').val();  
                            $("#custom_text").css('font-family',id);

   });


  </script>
    </body>
    </html>


字体API
#自定义文本{
字体系列：Arial；
调整大小：无；
边缘顶部：20px；
宽度：500px；
}
#样式字体{
宽度：100px；
}


函数SetFonts（字体）{
对于（var i=0；i$(function(){
}


  function SetFonts(fonts) {
  for (var i = 0; i < fonts.items.length; i++) {
  $('#styleFont')
   .append($("<option></option>")
   .attr("value", fonts.items[i].family)
   .text(fonts.items[i].family));
  }
}

$(function(){
var script = document.createElement('script');
script.src = 'https://www.googleapis.com/webfonts/v1/webfonts?key=AIzaSyB8Ua6XIfe-gqbkE8P3XL4spd0x8Ft7eWo&callback=SetFonts';
document.body.appendChild(script);

 // all the rest of your code....
});