jQuery Validate verifies the sharing of multiple instances of the same name-JS Tutorial-php.cn

jQuery Validate verifies the sharing of multiple instances of the same name

小云云

Release： 2018-01-12 09:07:58

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This article mainly introduces the method of jQuery Validate to verify multiple identical names. Friends who need it can refer to it. I hope it can help everyone.

Introduction:

There is the following code in the form page

 <form>
  <input name="zhai"/><!-- 三个相同name的input -->
  <input name="zhai"/>
  <input name="zhai"/>
 </form>

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jquery validate only verifies the first input box when validating multiple identical names.

Solution one:

Add the following code to the js corresponding to the form page. Only the current page can solve the verification of multiple names

 if ($.validator) {
   $.validator.prototype.elements = function () {
    var validator = this,
     rulesCache = {};
    return $(this.currentForm)
    .find("input, select, textarea")
    .not(":submit, :reset, :image, [disabled]")
    .not(this.settings.ignore)
    .filter(function () {
     if (!this.name && validator.settings.debug && window.console) {
      console.error("%o has no name assigned", this);
     }
     rulesCache[this.name] = true;
     return true;
    });
   }
  }

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Solution two:

Modify the source file and all pages can verify multiple names

Method 1: Modify the jquery.validate.js file

Use ctrl+F to find this.name in rulesCache and comment it out The following code.

elements: function() {
   var validator = this,
    rulesCache = {};
   // select all valid inputs inside the form (no submit or reset buttons)
   return $(this.currentForm)
   .find("input, select, textarea")
   .not(":submit, :reset, :image, [disabled]")
   .not( this.settings.ignore )
   .filter(function() {
    if ( !this.name && validator.settings.debug && window.console ) {
     console.error( "%o has no name assigned", this);
    }
    // 注释掉这里
    // select only the first element for each name, and only those with rules specified
    //if ( this.name in rulesCache || !validator.objectLength($(this).rules()) ) {
    // return false;
    //} 
    rulesCache[this.name] = true;
    return true;
   });
  },

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Method 2: Modify the jquery.validate.min.js file

Use ctrl+F to search (c[this.name]=!0,!0)})

 return !this.name && b.settings.debug && window.console && console.error("%o has no name assigned", this),
//this.name in c || !b.objectLength(a(this).rules()) ? !1 : (c[this.name] = !0, !0)//注释这行
c[this.name] = !0, !0 //添加这行

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Related recommendations:

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jQuery Validate form verification plug-in detailed explanation

jquery.validate.js Detailed explanation of how to handle multiple identical names

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